Using Cc1ccc(S(=O)(=O)OC[C@H](CNC(=O)c2ccc(Cl)s2)OC(=O)Nc2ccc(N3CCOCC3=O)cc2)cc1 to produce O=C(NC[C@H]1CN(c2ccc(N3CCOCC3=O)cc2)C(=O)O1)c1ccc(Cl)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.