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system
What is the molecular formula of the molecule (7S,8S,9S,13S,16S,19S,21R)-8,21-bis[[tert-butyl(dimethyl)silyl]oxy]-16-[(1R)-1-[tert-butyl(dimethyl)silyl]oxy-2-[4-[tert-butyl(dimethyl)silyl]oxyphenyl]ethyl]-13-[1-[tert-butyl(dimethyl)silyl]oxyethyl]-3-(methoxyboranylideneamino)-9-methyl-1,5,11,14,17-pentazatricyclo[17.3.0.07,11]docosane-2,6,12,15,18-pentone ?
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C59H111BN6O11Si5
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