You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-chloro-N-[3-chloro-4-[4-(4-methylpiperazin-1-yl)piperidin-1-yl]phenyl]-4-(1-ethylindol-3-yl)pyrimidin-2-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H35Cl2N7
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