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 7-chloro-4-[3-fluoro-N-(2,2,2-trifluoroethyl)-5-[2-[1-(trifluoromethyl)cyclopropyl]ethynyl]anilino]-1-methylquinazolin-2-one .
user
C23H15ClF7N3O
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