You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 2,2-bis[(4-methyl-7-oxabicyclo[4.1.0]heptan-3-yl)methyl]hexanedioic acid;2,2-bis(7-oxabicyclo[4.1.0]heptan-3-ylmethyl)hexanedioic acid ?
user
C42H64O12
assistant