Iron, (N-(N5-acetyl-N2-(N-(N-(N5-acetyl-N2-(N-(N-(N-(N5-acetyl-N5-hydroxy-N2-(N-(1-oxo-3-decenyl)-L-seryl)-L-ornithyl)glycyl)-L-valyl)-L-seryl)-N5-hydroxy-L-ornithyl)-L-alanyl)glycyl)-N5-hydroxy-L-ornithyl)glycine epsilon1-lactonato(3-))-