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system
What is the molecular formula of the molecule identified by [(7S,9E,11S,12R,13S,14R,15R,16S,17S,18S,19E,21Z)-30-[(1-tert-butyl-1-methylpyrrolidin-1-ium-3-yl)methoxy]-17,37-dihydroxy-11-methoxy-3,7,12,14,15,16,18,22-octamethyl-2,6,23-trioxo-8,27,38-trioxa-24,34-diazahexacyclo[23.11.1.14,7.05,36.026,35.028,33]octatriaconta-1(37),3,5(36),9,19,21,25,28(33),29,31,34-undecaen-13-yl] acetate ?
user
C54H70N3O12+
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