You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 4,4-difluoro-N-methyl-N-[2-(N-methylanilino)ethyl]pyrrolidine-2-carboxamide;dihydrochloride by IUPAC nomenclature, provide its molecular formula.
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C15H23Cl2F2N3O
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