You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 1-[3-[[4-(1-ethyl-5-methylpyrazol-4-yl)-1,3-thiazol-2-yl]amino]-3-oxopropyl]pyrazole-3-carboxylic acid ?
user
C16H18N6O3S
assistant