You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (3S,5R)-3-[(6R)-6-[hydroxy(iodo)methyl]-5,6,7,8-tetrahydronaphthalen-2-yl]-6-azaspiro[4.5]decan-7-one into molecular formula.
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C20H26INO2
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