Using CNCc1c2ccccc2cc2ccccc12, CC(C)(C)c1ccc(CBr)cc1 to produce CN(Cc1ccc(C(C)(C)C)cc1)Cc1c2ccccc2cc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.