Using CCCC(CC(=O)c1ccc(Br)cc1)C(=O)OCC, O=[N+]([O-])c1ccc(B(O)O)cc1 to produce CCCC(CC(=O)c1ccc(-c2ccc([N+](=O)[O-])cc2)cc1)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.