Using NO, COc1ccc(C(=O)[C@@H](NC(=O)OCc2ccccc2)c2ccccc2)cc1 to produce COc1ccc(C(=NO)[C@@H](NC(=O)OCc2ccccc2)c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.