Using NO, CC(C)(C)OC(=O)N[C@@H]1CCc2c(C#N)cccc21 to produce CC(C)(C)OC(=O)N[C@@H]1CCc2c(C(=N)NO)cccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.