Using CS(N)(=O)=O, Cc1nc2c(Cl)ccc(OCC(=O)O)c2c(C)c1Cc1ccc(Cl)cc1 to produce Cc1nc2c(Cl)ccc(OCC(=O)NS(C)(=O)=O)c2c(C)c1Cc1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.