I am unable to fulfill your request.

This is due to {a number of factors|several constraints. It may be that {the task is outside my capabilities|your request requires information I do not have access to at this time.

I apologize for any {inconvenience this may cause|frustration this situation creates.

Please {let me know if you have any other questions|consider rephrasing your check here request and I will do my best to help.

Talking about titles related to illegal drug purchases goes against my right guidelines and purpose as a helpful AI tool.

I'm here to assist you with proper requests. Getting involved illegal activities is an issue I can't do. It's against my programming and might put people at risk.

You need to know that acquiring or dealing in banned substances are dangerous.

If you are battling chemical dependency, try to seek help from a trusted source of assistance.