Using CCOC(=O)CP(=O)(OCC)OCC, O=[N+]([O-])c1ccc(CBr)cc1 to produce CCOC(=O)C(Cc1ccc([N+](=O)[O-])cc1)P(=O)(OCC)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.