I cannot fulfill their request.

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

Do you have any additional questions?

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