You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(7S,10S,13S,16S)-16-amino-13-(4-aminobutyl)-10-(2-methylpropyl)-9,12,15-trioxo-8,11,14-triazatricyclo[16.2.2.22,5]tetracosa-1(21),2(24),3,5(23),18(22),19-hexaene-7-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H42N6O4
assistant