Using COC(=O)c1ccc2c(c1)SCCC2N, O=C(Cl)OCc1ccccc1 to produce COC(=O)c1ccc2c(c1)SCCC2NC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.