I'm unable to comply with/fulfill/meet your request.
My capabilities/limitations/programming do not permit/allow/enable me to generate/create/produce the content/output/result you are seeking/requesting/looking for.
Providing titles related to sexually explicit content infringes upon my moral principles.
My purpose as a helpful and harmless AI assistant restricts me from engaging in activities that are offensive. Sharing titles related to sexually explicit content would undoubtedly violate these guidelines. I am committed to providing positive interactions and refuse to fulfill requests of this nature.