Using CC1(C)CC(=O)CC(C)(C)C1, CCOC(=O)c1ccccc1N to produce CC1(C)Cc2[nH]c3ccccc3c(=O)c2C(C)(C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.