You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (2S,4R)-1-[[4-(3-chloro-2-fluoroanilino)-7-methoxyquinazolin-6-yl]methyl]-4-(deuteriomethoxy)pyrrolidine-2-carboxamide ?
user
C22H23ClFN5O3
assistant