blur and desaturate background

verybadimagenegative_v1.3, ng_deepnegative_v1_75t, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), DeepNegative, lowres, text, error, cropped, worstquality, low quality, normal quality, jpegartifacts, signature, watermark, username, blurry, mutation, deformed, worst quality, low quality, normal quality, jpeg artifacts, signature, polar lowres, bad proportions, gross proportions, text, writings