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system
9H-fluoren-9-ylmethyl N-[(3R)-3-[(3S,6S,9S,11R,15S,18S,20R,24S,25S,26S)-18-amino-11,20,25-trihydroxy-15-[(1R)-1-hydroxyethyl]-6-[(1R)-1-hydroxy-2-(4-hydroxy-3-methoxyphenyl)ethyl]-26-methyl-2,5,8,14,17,23-hexaoxo-1,4,7,13,16,22-hexazatricyclo[22.3.0.09,13]heptacosan-3-yl]-3-hydroxypropyl]-N-(1,3-dihydroxypropan-2-yl)carbamate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C54H72N8O18
assistant