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 2-ethyl-3-phenyl-1-[[5-[5-(trifluoromethyl)-1,2-oxazol-3-yl]thiophen-2-yl]sulfonylamino]cyclopropane-1-carboxylic acid .
user
C20H17F3N2O5S2
assistant