You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 3-[2-[1-(2-hydroxy-4-naphthalen-1-ylbutyl)piperidin-2-yl]ethyl]-7,8-dimethoxy-1,3,4,5-tetrahydro-1-benzazepin-2-one .
user
C33H42N2O4
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