You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 2-[(1R,3aS,3bS,5aR,9aS,9bS,11aR)-6,9a,11a-trimethyl-2,3,3a,3b,4,5,5a,9b,10,11-decahydro-1H-indeno[5,4-f][2,1]benzoxazin-1-yl]-N-(4-methylpyridin-2-yl)acetamide is given. What is its corresponding molecular formula?
user
C26H37N3O2
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