You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance bis[1-[4-(dimethylamino)butyl]-4-(3-fluoro-2-methylphenyl)-5-(4-hydroxybenzoyl)piperidin-3-yl]methanone .
user
C51H64F2N4O5
assistant