Using O=C(NC1(C(=O)O)CC1)c1ccc(Cl)cc1, N[C@@H]1CCc2ccccc2-n2ccnc21 to produce O=C(NC1(C(=O)N[C@@H]2CCc3ccccc3-n3ccnc32)CC1)c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.