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system
Provide the molecular formula for the IUPAC named substance [(1S,2R,3S,4R)-3,4-diacetyloxy-1-[[9-[(2R,4S,5R)-4-[tert-butyl(dimethyl)silyl]oxy-5-[[tert-butyl(dimethyl)silyl]oxymethyl]oxolan-2-yl]-6-prop-2-enoxypurin-2-yl]amino]-1,2,3,4-tetrahydrobenzo[c]phenanthren-2-yl] acetate .
user
C49H65N5O10Si2
assistant