Using NO, COCc1c(C#N)ncc2[nH]c3cccc(Oc4ccccc4)c3c12 to produce COCc1c(C(N)=NO)ncc2[nH]c3cccc(Oc4ccccc4)c3c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.