Using Nc1ccc(N2CCN(C(=O)c3ccccc3)CC2)cc1Nc1ccccc1, CC(=O)Cl to produce CC(=O)Nc1ccc(N2CCN(C(=O)c3ccccc3)CC2)cc1Nc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.