I am unable to fulfill my request.

Sorry, but I am incapable of that request at the current time. My capabilities are {limited to|restricted to a range of tasks. Perhaps someone else could try asking something more info else.

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

The term you/that/which used is connected with sexually explicit content, which I am designed to stay away from.

Could you tell me if you have any additional questions?

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