Using CCOC(=O)c1ccc(OC2CCN(C(=O)OC(C)(C)C)CC2)cc1, Cc1ccccn1 to produce CC(C)(C)OC(=O)N1CCC(Oc2ccc(C(=O)Cc3ccccn3)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.