You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (2R,4aR,9aR)-7-[(E)-2-[4-methoxy-1-methyl-3-(1H-pyrazol-5-yl)indol-6-yl]ethenyl]-1,1,4a-trimethyl-3,4,9,9a-tetrahydro-2H-xanthene-2,5-diol is given. What is its corresponding molecular formula?
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C31H35N3O4
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