You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name ethyl 2-[[2-(5-bromo-2-oxopyridin-1-yl)acetyl]-[[4-(trifluoromethyl)phenyl]methyl]amino]acetate ?
user
C19H18BrF3N2O4
assistant