You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [7-methyl-7-[(4R,9R)-16,22,24-tritert-butyl-19-chloro-18,20-dioxa-3,10-diaza-19-aluminatetracyclo[19.4.0.04,9.012,17]pentacosa-1(21),2,10,12(17),13,15,22,24-octaen-14-yl]octyl] 2,4-bis(ethenyl)cyclopentane-1-carboxylate by IUPAC nomenclature, provide its molecular formula.
user
C51H74AlClN2O4
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