You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [1-[5-[(2Z)-7-chloro-1-[(4-methoxyphenyl)methyl]-3-[(2-methylphenyl)methyl]-2-propylidene-3H-1,4-benzodiazepin-5-yl]pyridin-2-yl]piperidin-4-yl]methanol;ethane into molecular formula.
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C41H49ClN4O2
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