You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[4-[(4-fluorophenoxy)methyl]-1-[4-(trifluoromethoxy)benzoyl]piperidin-4-yl]-1-piperidin-1-ylethanone .
user
C27H30F4N2O4
assistant