You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(14-acetyloxy-10-hydroxy-10,14-dimethyl-6-methylidene-3-propan-2-yl-15-oxatricyclo[6.6.1.02,7]pentadecan-11-yl) 3-methylbutanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H44O6
assistant