You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(3-chloro-4-pyrimidin-2-yloxyphenyl)-5-(1-methylpiperidin-4-yl)oxyquinazolin-4-amine;hydrochloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H24Cl2N6O2
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