You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-N-prop-2-enyl-3-N-[3-(trifluoromethyl)phenyl]imidazo[1,5-a]pyridine-1,3-dicarboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H15F3N4O2
assistant