Using Cc1ccc(S)cc1, O=C(O)c1c(Cl)c(Cl)c(Cl)c(Cl)c1C(O)=NCCO to produce Cc1ccc(Sc2c(Cl)c(Cl)c(C(O)=NCCO)c(C(=O)O)c2Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.