You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4R,6aR,12aS,12bR)-2-hydroxy-4-[(3E)-3-[(4-hydroxyphenyl)methylidene]hexyl]-5-methyl-1,4,6,6a,12a,12b-hexahydronaphtho[3,2-f][2,3]benzoxaborinine-7,12-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H33BO5
assistant