You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-[4-chloro-1-(cyclopropylmethyl)-2-[4-(4-methylpiperazin-1-yl)phenyl]pyrrolo[2,3-b]pyridin-3-yl]phenyl]methanol is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H31ClN4O
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