Using CC(C)(C)OC(=O)N1CCC(=O)CC1, CCOC(OCC)n1ccnc1 to produce CC(C)(C)OC(=O)N1CCC(O)(c2ncc[nH]2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.