You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3-[3-[3-[(E)-2-methyl-3-(3-phenylphenoxy)prop-2-enoyl]oxypropoxy]phenoxy]propyl (E)-2-methyl-3-(3-phenylphenoxy)prop-2-enoate by IUPAC nomenclature, provide its molecular formula.
user
C44H42O8
assistant