You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 5-[4-(6,6-dimethyl-7,8-dihydro-5H-quinazolin-4-yl)-3,5-dihydro-2H-1,4-benzoxazepin-7-yl]-3-[2-(1-methylpiperidin-4-yl)ethylsulfonyl]pyridin-2-amine by IUPAC nomenclature, provide its molecular formula.
user
C32H42N6O3S
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