I can't fulfill their request.

Sorry, but I am not able toto22 to that request at present time. My capabilities are {limited to|restricted to a range of tasks. Perhaps someone else could try rephrasing the request.

It's my goal to be helpful and ethical in my assistance.

The term you/that/which used is linked to sexually explicit content, which I am programmed to avoid.

Could you tell me if you have any additional questions?

If so, please let me know and I'll do my best to fulfill them within ethical and safe guidelines.