Using CC(=O)OCC(=O)N[C@H]1C[C@@H](n2cnc3c(NCC(O)(c4ccc(Cl)cc4)c4ccc(Cl)cc4)nc(N4CC[C@@H](NC(=O)OC(C)(C)C)C4)nc32)[C@H](O)[C@@H]1O to produce N[C@@H]1CCN(c2nc(NCC(O)(c3ccc(Cl)cc3)c3ccc(Cl)cc3)c3ncn([C@@H]4C[C@H](NC(=O)CO)[C@@H](O)[C@H]4O)c3n2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.