You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(6Z,10S,12E)-10,18-dihydroxy-15-phenyl-3-oxabicyclo[12.4.0]octadeca-1(18),6,12,14,16-pentaene-2,8-dione;hydrate is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H24O6
assistant