You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 1-[(2S,3S)-1-amino-2-[2-[3-[(4-cyanophenyl)methyl]imidazol-4-yl]acetyl]-3-methylpentyl]-1-[(2,3-dichlorophenyl)methyl]thiourea into molecular formula.
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C27H30Cl2N6OS
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