Using COCc1cc([N+](=O)[O-])ccc1-n1cccc(Br)c1=O, CCOC(=O)CC(=O)OCC to produce CCOC(=O)C(C(=O)OCC)c1cccn(-c2ccc([N+](=O)[O-])cc2COC)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.