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system
For the molecule named (2'S,6S,9R,10R,14R,15E,17E,20S)-20-[(2E,4E,8S,9S)-10-[(2S,3R,6R,9S,11S)-9-ethyl-3,5,11-trimethyl-8-oxo-1-oxa-7-azaspiro[5.5]undec-4-en-2-yl]-9-hydroxy-8-methyldeca-2,4-dien-2-yl]-2'-(3-fluoro-5-hydroxyphenyl)-10,14-dihydroxy-9-(3-oxobutyl)-6-propan-2-ylspiro[21-oxa-1,4,7,27-tetrazabicyclo[21.3.1]heptacosa-15,17-diene-3,1'-cyclopropane]-2,5,8,22-tetrone by IUPAC nomenclature, provide its molecular formula.
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C62H90FN5O12
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