You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 2-[1-[3-[amino(methylamino)methyl]sulfanyl-2-[2-(diaminomethylsulfanyl)ethylsulfanyl]propyl]sulfanyl-3-(diaminomethylsulfanyl)propan-2-yl]sulfanylethylsulfanylmethanediamine ?
user
C15H40N8S7
assistant