I cannot fulfill my request.

Sorry, but I am incapable of your request at the current time. My capabilities are {limited to|confined to a range of tasks. Perhaps they could try a different approach.

I aim to offer helpful and ethical support.

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 other needs?

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