You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1R,9S,12R,14R,16S)-14-hydroxy-1,12-dimethyl-5,10-dioxatetracyclo[7.6.1.02,7.012,16]hexadeca-2,7-diene-4,11-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H18O5
assistant