Using [N-]=[N+]=[N-], CCn1cc(Nc2ncc3nnn(-c4ccc(C(C)(C)O)cc4)c3n2)cn1 to produce CCn1cc(Nc2ncc3nnn(-c4ccc(C(C)(C)N=[N+]=[N-])cc4)c3n2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.