My/Your/Our purpose is to provide helpful and harmless content.}
I am unable to fulfill/achieve/complete your/my/their request. My/This/That is because my/it's/its purpose/goal/mission is to give helpful/beneficial/useful and harmless/safe/non-threatening content.
This request contains sexually explicit and goes against my programming protocols..
I am designed to generate safe and appropriate content. As a result, I am unable to fulfill your request. Please try a different query that adheres with my guidelines.
Is there any remaining needs which?
Feel free to tell me if you possess any other suggestions that ethical here and respectful communication.