You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (4S)-5-[(2-amino-2-oxoethyl)amino]-5-oxo-4-[3-[4-(1,3-thiazol-2-yl)phenyl]propanoylamino]pentanoic acid .
user
C19H22N4O5S
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