You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-methyl-N-[3-[(5-oxo-6,7,8,9-tetrahydrobenzo[7]annulen-2-yl)amino]phenyl]benzamide into its molecular formula.
user
C25H24N2O2
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