You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 3-[1-[5-[1-methyl-5-(trifluoromethyl)pyrazol-3-yl]thiophen-2-yl]sulfonylindol-5-yl]propanoic acid into molecular formula.
user
C20H16F3N3O4S2
assistant