Using Cn1cnc(S(=O)(=O)Cl)c1, NCCc1ccc(OCC(=O)O)cc1 to produce Cn1cnc(S(=O)(=O)NCCc2ccc(OCC(=O)O)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.