Using CCOC(=O)N1N=C(c2ccc([N+](=O)[O-])cc2)c2cc(Br)ccc2CC1C to produce CC1Cc2ccc(Br)cc2C(c2ccc([N+](=O)[O-])cc2)=NN1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.