For the molecule named (1R,20S,22R)-21-[2-[3-acetyl-7-methyl-5-(2-methylpyrimidin-5-yl)indazol-1-yl]acetyl]-15-bromo-4,10-dioxa-5,16,21,25-tetrazapentacyclo[18.3.1.13,6.01,22.012,17]pentacosa-3(25),5,7,12(17),13,15-hexaen-19-one by IUPAC nomenclature, provide its molecular formula.