You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-[4,6,7-trideuterio-3-[1,1-dideuterio-2-(dimethylamino)ethyl]-1H-indol-5-yl]-N-(trideuteriomethyl)methanesulfonamide by IUPAC nomenclature, provide its molecular formula.
user
C14H21N3O2S
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