You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 2-[(1S,3R)-6,10-dihydroxy-1-methyl-9-oxo-1,3,4,6,7,8-hexahydrobenzo[g]isochromen-3-yl]acetic acid by IUPAC nomenclature, provide its molecular formula.
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C16H18O6
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