You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 2-[4-chloro-5-hydroxy-2-methyl-1-[5-(trifluoromethylsulfanyl)thiophene-2-carbonyl]indol-3-yl]acetic acid ?
user
C17H11ClF3NO4S2
assistant