You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[4-(5-fluoro-1H-indole-2-carbonyl)thiomorpholin-3-yl]acetic acid into SMILES representation.
user
O=C(O)CC1CSCCN1C(=O)C1=CC2=CC(F)=CC=C2N1
assistant