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-[2-(4-chlorophenyl)ethenyl]-11-(4-methylbenzoyl)-7,11-diazatricyclo[7.3.1.02,7]trideca-2,4-dien-6-one .
user
C27H25ClN2O2
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