You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3,6-bis(6-bromohexoxy)-1-hydroxy-7-methoxy-2,8-bis(3-methylbut-2-enyl)xanthen-9-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C36H48Br2O6
assistant