Using CCCC=CC1=CCc2ccccc21, CC(C)N(B(Cl)Cl)C(C)C to produce CCCC=CC1=CC(B(Cl)N(C(C)C)C(C)C)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.