Using COCCOCOc1c(C(C)(C)C)cc(C#N)cc1C(C)(C)C, NN to produce COCCOCOc1c(C(C)(C)C)cc(C(=N)NN)cc1C(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.