Using CCOC(=O)CBr, C[C@@H]1CN(c2ccc([N+](=O)[O-])cc2C#N)C[C@H](C)N1 to produce CCOC(=O)CN1[C@H](C)CN(c2ccc([N+](=O)[O-])cc2C#N)C[C@@H]1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.