Using c1ccc(CN2CCC3(CCNc4ccccc43)CC2)cc1, CC(=O)Cl to produce CC(=O)N1CCC2(CCN(Cc3ccccc3)CC2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.