You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule acetic acid;2-(2-acetyloxypropyl)-3-methylbutanedioic acid;but-2-enedioic acid;ethenyl acetate;2-(2-hydroxypropyl)-3-methylbutanedioic acid;manganese ?
user
C28H44Mn3O19
assistant