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)-4-amino-2-[3-[(2-methyl-1,3-thiazol-4-yl)methylsulfanyl]propanoylamino]-4-oxobutanoic acid ?
user
C12H17N3O4S2
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