Using Cc1cc2c3c(cc(C)c2[nH]c1=O)CC(C)(CBr)O3, [N-]=[N+]=[N-] to produce Cc1cc2c3c(cc(C)c2[nH]c1=O)CC(C)(CN=[N+]=[N-])O3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.