Using CC(=O)OC(C)=O, Nc1ccc(-c2ccc(C(=O)N3CCN4CCC3CC4)o2)cc1 to produce CC(=O)Nc1ccc(-c2ccc(C(=O)N3CCN4CCC3CC4)o2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.