Suggested Reaction 1.1.1.-

Left

3,5,7,11,13,15-Heptaoxo-9-hydroxy-heptadecanoyl-[acp]
+NAD+

Right

3,5,7,9,11,13,15-Heptaoxo-heptadecanoyl-[acp]
+NADH
+H+

[BiSSCat | GREP ]