You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2S,3S,4S,5R,6R)-6-[[(1R,2R,5R,6S,8S,12R,15R,18R,20S,22R,25R,26S)-5-carboxy-26-[2-(4-ethyl-1H-pyrrol-3-yl)ethyl]-6-(methoxymethyl)-1,8,21,21-tetramethyl-2-(3-oxopropyl)-20-heptacyclo[16.6.2.18,12.02,13.05,12.015,25.022,26]heptacosa-10,13-dienyl]oxy]-3,4,5-trihydroxyoxane-2-carboxylic acid into its molecular formula.
user
C51H73NO11
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