You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule [(3R,4R)-1-[2-chloro-5-cyano-3-[[7-cyano-4-(ethylamino)imidazo[2,1-f][1,2,4]triazin-2-yl]amino]phenyl]-4-(methoxycarbonylamino)piperidin-3-yl] (2S)-2-amino-3-methylbutanoate into molecular formula.
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C27H32ClN11O4
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