You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[[[1-aminopropan-2-yl(dimethyl)silyl]oxy-dimethylsilyl]oxy-dimethylsilyl]butan-1-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C13H36N2O2Si3
assistant