You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule [4-(2-hydroxyphenyl)piperazin-1-yl]-[5-[(3,5,5,8,8-pentamethyl-6,7-dihydronaphthalen-2-yl)methyl]furan-2-yl]methanone into molecular formula.
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C31H38N2O3
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