It's/This is/That is against my/your/its ethical guidelines/principles/standards to provide/generate/offer responses that are sexually suggestive/inappropriate/explicit in nature/form/character.
My programming/design/purpose prohibits me/it/this AI from engaging/creating/generating content of a sexual/suggestive/provocative kind/manner/sort. I am/I strive to/My goal is to maintain/ensure/provide a