You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name ethane;methyl 3-[(3S)-7-bromo-2-diaminophosphoryloxy-5-[N-methyl-C-[(Z)-prop-1-enyl]carbonimidoyl]-3H-1,4-benzodiazepin-3-yl]propanoate into its molecular formula.
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C20H29BrN5O4P
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