Using CC(C)(C)OC(=O)NC1(C)CNC(=O)C12CC2, BrCc1ccccc1 to produce CC(C)(C)OC(=O)NC1(C)CN(Cc2ccccc2)C(=O)C12CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.