Using COC(=O)c1c(CBr)c(=O)c2ccc(C(F)(F)F)nc2n1-c1ccccc1, [N-]=[N+]=[N-] to produce COC(=O)c1c(CN=[N+]=[N-])c(=O)c2ccc(C(F)(F)F)nc2n1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.