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system
Please write the molecular formula of the molecule octasodium;(2S,3S,4S,5R,6R)-6-[(2R,3R,4S,5R,6R)-6-[(2R,3S,4S,5R,6R)-2-carboxylato-6-[(2R,3R,4S,5R,6S)-4,6-dimethoxy-5-sulfonatooxy-2-(sulfonatooxymethyl)oxan-3-yl]oxy-4,5-dimethoxyoxan-3-yl]oxy-4,5-disulfonatooxy-2-(sulfonatooxymethyl)oxan-3-yl]oxy-3-[(2R,3R,4S,5R,6R)-3,4-dimethoxy-5-[2-[2-[2-[2-[4-[[(3S)-3-[(4-methoxy-2,3,6-trimethylphenyl)sulfonylamino]-4-oxo-4-[[(2R)-1-oxo-1-piperidin-1-yl-3-(4-propan-2-ylphenyl)propan-2-yl]amino]butanoyl]amino]butanoylamino]ethoxy]ethoxy]ethoxy]ethoxy]-6-(sulfonatooxymethyl)oxan-2-yl]oxy-4,5-dimethoxyoxane-2-carboxylate .
user
C81H121N5Na8O56S7
assistant