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For the molecule named 3-[9-amino-2,2-bis[[3-[2-[2-[2-[(2S,4S,5S)-6-ethyl-3,4,5-trimethyloxan-2-yl]oxyethoxy]ethoxy]ethylamino]-3-oxopropoxy]methyl]-4-oxononoxy]-N-[2-[2-[2-[(2S,4S,5S)-6-ethyl-3,4,5-trimethyloxan-2-yl]oxyethoxy]ethoxy]ethyl]propanamide;3-[2,2-bis[[3-[2-[2-[2-[(2S,4S,5S)-6-ethyl-3,4,5-trimethyloxan-2-yl]oxyethoxy]ethoxy]ethylamino]-3-oxopropoxy]methyl]-4-oxo-9-(prop-2-ynoylamino)nonoxy]-N-[2-[2-[2-[(2S,4S,5S)-6-ethyl-3,4,5-trimethyloxan-2-yl]oxyethoxy]ethoxy]ethyl]propanamide;prop-2-ynoic acid by IUPAC nomenclature, provide its molecular formula.
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C142H258N8O41
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