Using COC(=O)CC(=O)OC, O=[N+]([O-])c1cccc(CBr)c1CBr to produce COC(=O)C1(C(=O)OC)Cc2cccc([N+](=O)[O-])c2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.