Using CCCC(=O)NN, COc1cc2c(cc1Br)CC(SC)=NN=C2c1ccc([N+](=O)[O-])cc1 to produce CCCc1nnc2n1N=C(c1ccc([N+](=O)[O-])cc1)c1cc(OC)c(Br)cc1C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.