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system
Provide the molecular formula for the IUPAC named substance N-[(4S,7R,13R,16S)-7-benzyl-13-methyl-4-(2-methylpropyl)-6,9,12,15-tetraoxospiro[2-oxa-5,8,11,14-tetrazabicyclo[16.2.2]docosa-1(20),18,21-triene-10,1'-cyclopropane]-16-yl]pyridine-3-carboxamide .
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C37H44N6O6
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