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 2-[(6R,8aR)-6-pentoxy-1,2,3,4,4a,5,6,7,8,8a-decahydronaphthalen-2-yl]-6-ethoxy-1,2,3,4-tetrahydronaphthalene into molecular formula.
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C27H42O2
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