You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named ethyl (2S)-2-aminopropanoate;ethyl (2S)-2-[[[(E)-4-(4-hydroxy-6-methoxy-7-methyl-3-oxo-1H-2-benzofuran-5-yl)-2-methylbut-2-enoxy]methyl-phenoxyphosphoryl]amino]propanoate;[(E)-4-(4-hydroxy-6-methoxy-7-methyl-3-oxo-1H-2-benzofuran-5-yl)-2-methylbut-2-enoxy]methyl-phenoxyphosphinic acid;methane by IUPAC nomenclature, provide its molecular formula.
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C55H74N2O19P2
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