You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3-[(2-chloroquinolin-3-yl)methyl]-1-methyl-7-(trifluoromethyl)pyrido[2,3-d]pyrimidine-2,4-dione by IUPAC nomenclature, provide its molecular formula.
user
C19H12ClF3N4O2
assistant