You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[3-[(hydroxyamino)methyl]-2,2-dimethyl-6-(trifluoromethyl)chromen-4-yl]-4,6-ditritiopyridin-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H17F3N2O3
assistant