You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule [(2S)-1-oxo-1-(thiophen-2-ylmethylamino)propan-2-yl] (E)-2-cyano-3-[2,5-dimethyl-1-(2-methylpropyl)pyrrol-3-yl]prop-2-enoate ?
user
C22H27N3O3S
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