Using Cc1cccnc1CNC(C)c1ccccn1, COC(=O)c1cc(C#N)ccc1CBr to produce COC(=O)c1cc(C#N)ccc1CN(Cc1ncccc1C)C(C)c1ccccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.