You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(8,8,10,10-tetramethyl-1,5-dioxa-9-azaspiro[5.5]undecan-3-yl) 4-(4-propylcyclohexyl)benzoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H43NO4
assistant