Glycinamide, N-​[6-​(2,​5-​dihydro-​2,​5-​dioxo-​1H-​pyrrol-​1-​yl)​-​1-​oxohexyl]​glycylglycyl-​L-​phenylalanyl-​N-​[[2-​[[(1S,​9S)​-​9-​ethyl-​5-​fluoro-​2,​3,​9,​10,​13,​15-​hexahydro-​9-​hydroxy-​4-​methyl-​10,​13-​dioxo-​1H,​12H-​benzo[de]​pyrano[3',