You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S,4R,5S,6R)-3,4-dibenzyl-5-bromo-4,5,6,7-tetrahydroxy-1-phenyl-3-phenylmethoxyheptan-2-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C34H35BrO6
assistant