Using ClCc1ccccc1, CC(=O)C1(Cc2ccc(Cl)cc2)CCCNC1 to produce CC(=O)C1(Cc2ccc(Cl)cc2)CCCN(Cc2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.