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 identified by 2-[[5-(5-chlorothiophen-2-yl)-1,2-oxazol-3-yl]methyl]-5-(3-methylsulfonylpyrrolidine-1-carbonyl)pyrazole-3-carboxylic acid ?
user
C18H17ClN4O6S2
assistant