Using NO, Cc1c(C#N)ccc2c1CCN(C(=O)OC(C)(C)C)C2 to produce Cc1c(C(=N)NO)ccc2c1CCN(C(=O)OC(C)(C)C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.