I am unable to fulfill your request.

This is due to {a number of factors|my current limitations. 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 request and I will do my best to help.

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If you are experiencing drug addiction, please seek help from a reliable individual or group.