You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[3-[2-[2-[(3-cyclobutyl-2H-indazol-6-yl)oxy]ethylamino]-1-hydroxyethyl]phenyl]methanesulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H28N4O4S
assistant