You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule N-methylmethanamine;7-N,7-N,19-N,19-N-tetraoctyl-6,18-dithiahexacyclo[11.11.0.02,10.05,9.014,22.017,21]tetracosa-1(13),2(10),3,5(9),7,11,14(22),15,17(21),19,23-undecaene-7,19-diamine ?
user
C56H85N3S2
assistant