Using O=[N+]([O-])c1ccc(CBr)cc1[N+](=O)[O-], COC(=O)c1ccc2oc(=O)[nH]c2c1 to produce COC(=O)c1ccc2oc(=O)n(Cc3ccc([N+](=O)[O-])c([N+](=O)[O-])c3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.