This is what I use when I use the checkpoint wai-nsfw Illustrious to counterbalance its nsfw force.

low quality, blurry, pixelated, grainy, low resolution, ((rough sketch, sketch, rough lineart)), jpeg artifacts, scan artifacts, bad quality, worst quality, displeasing, very displeasing, bad anatomy, malformed limbs, extra limbs, extra arms, extra legs, missing limbs, deformed body, bad proportions, unnatural proportions, disfigured face, distorted body, asymmetrical face, asymmetrical eyes, crossed eyes, poorly drawn eyes, bad eyes, ((extra fingers)), missing fingers, poorly drawn hands, bad hands, fused fingers, mutated hands, mutated limbs, extra head, missing head, bad perspective, unnatural pose, stiff pose, awkward pose, cropped, out of frame, duplicate, duplicate face, floating limbs, disconnected limbs, twisted body, overexposed, underexposed, bad lighting, unnatural lighting, bad composition, cluttered background,(twitter username:2, watermark:2, text:2, logo:2, signature:2, artist name:2, name:2, labels:2, artist signaure:2), low contrast, oversaturated, undersaturated, unnatural colors, unbalanced colors, blurry background, overprocessed, noisy image, poorly detailed, simplistic, flat, unrealistic, overexaggerated, broken shadows, wrong shadows, inconsistent lighting, wrong perspective, wrong angle, too many details, wrong textures, glossy, shiny skin, stretched features, elongated limbs,(motion lines:1.2), multiple views, 2koma, 4koma, guro, futa:2, futanari:2, femboy:2, nude:2, naked:2, nsfw:2, suggestive:2, lewd:2, erotic:2, sex:2, hentai:2, porn:2, wardrobe malfunction:2, sheer clothing:2, see-through:2, skirt lift:2, exposed:2, exposed breasts:2, exposed nipples:2, exposed pussy:2, see-through clothing:2, transparent clothing:2, cameltoe:2, nipples:2, nipple bulge:2, testicles:2, penis:2, pussy:2, ((fused fingers, one hand with more than 5 fingers, one hand with less than 5 fingers, one hand with more than 5 digits, one hand with less than 5 digits)), bad ears, malformed ears, colored outline:1.2