Using CCOC(=O)c1cc2cc(C(=O)O)ccc2[nH]1, CC1(C)CC2CC(C)(CN2)C1 to produce CCOC(=O)c1cc2cc(C(=O)N3CC4(C)CC3CC(C)(C)C4)ccc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.