L-​Alaninamide, 1-​[2-​(7-​methoxy-​2-​oxo-​2H-​1-​benzopyran-​4-​yl)​acetyl]​-​L-​prolyl-​L-​leucyl-​L-​alanyl-​S-​[(4-​methoxyphenyl)​methyl]​-​L-​cysteinyl-​L-​tryptophyl-​L-​alanyl-​L-​arginyl-​3-​[(2,​4-​dinitrophenyl)​amino]​-