This is due to {a number of factors|several constraints. It may be that {the task is outside my capabilities|the parameters are too complex for me to handle 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.
Providing titles related to illegal drug purchases steps against my right guidelines and purpose as a friendly AI buddy.
I'm here to support you with legitimate requests. Getting involved illegal activities is something I can't do. It's against my programming and would put people at risk.
It's getting Pure Colombian copyright hold of or selling illegal controlled substances remains dangerous.
If you are struggling with chemical dependency, please contact a reliable professional or organization.