You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (4S)-6-[(4S,7R)-2-(4-bromophenyl)-7-(hydroxymethyl)-1,3-dioxo-3a,7a-dihydro-4,7-epoxyisoindol-4-yl]-4-(hydroxyamino)-5-oxohexanoic acid;1-(4-bromophenyl)pyrrole-2,5-dione;(4R)-4-[[5-(hydroxymethyl)furan-2-yl]methoxyamino]-5-oxopentanoic acid by IUPAC nomenclature, provide its molecular formula.
user
C42H42Br2N4O16
assistant