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Can you give the molecular formula of the molecule ethyl (2S)-2-[[2-[3-[2-bis[[(2S)-1-ethoxy-1-oxo-3-phenylpropan-2-yl]amino]phosphorylethoxy]-2-(8-bromo-6-oxo-1H-purin-9-yl)propoxy]ethyl-[[(2S)-1-ethoxy-1-oxo-3-phenylpropan-2-yl]amino]phosphoryl]amino]-3-phenylpropanoate ?
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C56H71BrN8O13P2
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