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 5-fluoro-4-(4-fluoro-2-phenylmethoxyphenyl)-N-[3-(2-methoxyethylsulfonylmethyl)phenyl]pyrimidin-2-amine .
user
C27H25F2N3O4S
assistant