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 2-[4-(3-chloro-4-fluorophenyl)-6-methylpyrimidin-2-yl]-1-[3-methoxy-4-(4-methylimidazol-1-yl)phenyl]guanidine .
user
C23H21ClFN7O
assistant