You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-N,2-N',3-N,3-N',5-N,5-N',6-N,6-N',1,4-decaethyl-1,4,2,3,5,6-diazatetrasilinane-2,2,3,3,5,5,6,6-octamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H58N10Si4
assistant