You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1S,2S,6R,7R,8R)-8-hydroxy-1,8-dimethylspiro[10-oxatricyclo[5.2.1.02,6]dec-4-ene-9,1'-cyclopropane]-3-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C13H16O3
assistant