You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 6-methoxy-1-methyl-5,6,6a,7,8,9-hexahydropyrrolo[2,1-c][1,4]benzodiazepin-11-one is given. What is its corresponding molecular formula?
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C14H18N2O2
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