Using NN, CCOC(=O)C(=O)C(CC)C(=O)c1c(C)cc(C)cc1C to produce CCOC(=O)c1[nH]nc(-c2c(C)cc(C)cc2C)c1CC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.