Using NO, COc1cccc(C2=C(CC(C)=O)C(=O)NCCC2)c1 to produce COc1cccc(C2=C(CC(C)=NO)C(=O)NCCC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.