You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-benzyl-3-[(1R,9R)-4,9-dimethyl-11-oxo-8-oxa-10,12-diazatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-10-yl]-N-methylbenzamide into its molecular formula.
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C27H27N3O3
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