You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2S)-1-[3-[1,1-bis(4-methoxyphenyl)but-1-en-2-yl]indol-1-yl]-3-[4-(2-hydroxyethyl)piperazin-1-yl]propan-2-ol into molecular formula.
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C35H43N3O4
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