Using CCOC(=O)CCCBr, O=Cc1cc(O)ccc1[N+](=O)[O-] to produce CCOC(=O)CCCOc1ccc([N+](=O)[O-])c(C=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.