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 1-[(3aR,7aS)-1-(3-fluorophenyl)-2,2-dimethyl-3,3a,4,6,7,7a-hexahydropyrrolo[3,2-c]pyridin-5-yl]-2-methoxyethanone is given. What is its corresponding molecular formula?
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C18H25FN2O2
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