You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (3-methyl-9-phenylmethoxy-2,4,4a,7,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7-yl) tetradecanoate by IUPAC nomenclature, provide its molecular formula.
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C38H51NO4
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