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 3-(1H-indol-3-yl)propyl [dibutyl-[3-(1H-indol-3-yl)propoxycarbonyl]stannyl]formate ?
user
C32H42N2O4Sn
assistant