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 methyl 2-[2-oxo-2-[5-[2-(trifluoromethyl)phenyl]-1H-pyrrol-2-yl]ethyl]pent-4-ynoate .
user
C19H16F3NO3
assistant