You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [4-[6-[4-(diethylamino)anilino]-2-ethylsulfanylpyrimidin-4-yl]piperazin-1-yl]-phenylmethanone into molecular formula.
user
C27H34N6OS
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