You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(10R)-5,6-difluoro-N-[(2-fluoro-3-methylphenyl)methyl]-15-hydroxy-14,17-dioxo-1,11-diazatetracyclo[8.7.1.03,8.011,16]octadeca-3,5,7,12,15-pentaene-13-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H20F3N3O4
assistant