Using CCCCNc1cc(C=O)cc(S(N)(=O)=O)c1Oc1ccccc1, NO to produce CCCCNc1cc(C=NO)cc(S(N)(=O)=O)c1Oc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.