You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (1R,4S,5R,8S,9R,12R,13R)-10-(2-adamantylmethoxy)-1,5,9-trimethyl-11,14,15,16-tetraoxatetracyclo[10.3.1.04,13.08,13]hexadecane into molecular formula.
user
C26H40O5
assistant