You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (3S,9S,12S)-9,12-bis[(4-hydroxyphenyl)methyl]-1,7,10,13-tetrazatricyclo[13.3.0.03,7]octadecane-2,8,11,14-tetrone by IUPAC nomenclature, provide its molecular formula.
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