You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-amino-5-[2-[(4-fluorophenyl)methyl-methylamino]acetyl]-1,3-dimethylpyrimidine-2,4-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H19FN4O3
assistant