Using O=C1CCC(=O)N1Br, COC(=O)c1cc(C)ccc1[N+](=O)[O-] to produce COC(=O)c1cc(CBr)ccc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.