You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-[7-[1-(4-aminophenyl)-6,7-dimethoxy-3,4-dihydro-2H-isoquinolin-1-yl]-4,4-diphenylheptyl]-3-(4-fluorophenyl)propanamide;dihydrochloride by IUPAC nomenclature, provide its molecular formula.
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C45H52Cl2FN3O3
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