Using CC(C)(C)OC(=O)N1CCC(=O)N1C1c2cc3nonc3cc2OC(C)(C)C1O to produce CC1(C)Oc2cc3nonc3cc2C(N2NCCC2=O)C1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.