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 (9bS)-9b-iodo-5-methyl-8-(pyridin-3-ylmethoxy)-6-(trifluoromethyl)-2,3,4,4a-tetrahydro-1H-pyrido[4,3-b]indole ?
user
C19H19F3IN3O
assistant