You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-N-[(E)-1-[4-[2-[(3-methoxy-1-methylpyrazol-4-yl)amino]-5-methylpyrimidin-4-yl]-3-methyl-1H-pyrrol-2-yl]-2-(methylideneamino)ethenyl]-2-(4-methylpiperazin-1-yl)butanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H38N10O2
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