You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[4-[4-[[4-(3-aminophenoxy)-5-chloropyrimidin-2-yl]amino]-3-methoxyphenyl]piperazin-1-yl]-3,3-dimethylbutan-1-one into its molecular formula.
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C27H33ClN6O3
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