Sort the Following Molecules to Reflect the Order in Which

Short Answer

Sort the following molecules to reflect the order in which they transfer electrons in noncyclic photophosphorylation in plants. Your answer would be an eight-letter string composed of letters A to H only, e.g. FCDEHGBA.
(A) Ferredoxin-NADP? reductase
(B) Plastoquinone
(C) Ferredoxin
(D) Cytochrome b?-f complex
(E) H?O
(F) Plastocyanin
(G) Photosystem I
(H) Photosystem II