I am unable to fulfill their request.

Sorry, but I am not able to this request at present time. My capabilities are {limited to|restricted to a range of tasks. Perhaps they could try a different approach.

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

The term you/that/which used is associated with sexually explicit content, which I more info am trained to shun.

Is there anything else any additional questions?

If so, please provide them and I'll do my best to accommodate them within ethical and safe guidelines.