You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[[4-(4-fluorophenyl)-2-methanimidoylquinolin-7-yl]methyl]-4-hydroxy-1,3-oxazol-2-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H14FN3O3
assistant