You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 3-[(2-chloro-5-fluoropyrimidin-4-yl)amino]-5-[[[2-hydroxy-2-(3-nitroanilino)ethyl]amino]methyl]bicyclo[2.2.1]heptane-2-carboxamide .
user
C21H25ClFN7O4
assistant