Using CC(=O)N1CCc2ccc(C(=O)CCl)cc2CC1, C1CCNCC1 to produce CC(=O)N1CCc2ccc(C(=O)CN3CCCCC3)cc2CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.