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 (1R,2R,3S,6S,7S,10S,11S,14S,16S,18S)-6-methyl-17-oxahexacyclo[14.2.1.02,14.02,18.03,11.06,10]nonadecane-7,16-diol ?
user
C19H28O3
assistant