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 methyl (4R)-4-[(1R,3aS,3bS,4S,5aR,9aR,9bS,11aR)-4,6,9a,11a-tetramethyl-7-oxo-2,3,3a,3b,4,5,5a,8,9,9b,10,11-dodecahydro-1H-indeno[5,4-f]quinolin-1-yl]pentanoate is given. What is its corresponding molecular formula?
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C26H43NO3
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