You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(4aR)-6-(4-tert-butylphenyl)sulfonyl-1-(4-fluorophenyl)-4,5,7,8-tetrahydropyrazolo[3,4-g]isoquinolin-4a-yl]acetaldehyde is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H30FN3O3S
assistant