Using Nc1ccc(-c2cccc3nc(NC(=O)C4CC4)nn23)cc1, CCN(CC)CCBr to produce CCN(CC)CCNc1ccc(-c2cccc3nc(NC(=O)C4CC4)nn23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.