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 [1-[(5-methyl-1,2-oxazol-3-yl)amino]-1-oxobutan-2-yl] 1,3-dimethylthieno[2,3-c]pyrazole-5-carboxylate .
user
C16H18N4O4S
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