You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl 2-[(5R)-7-bromo-5-[[(R)-tert-butylsulfinyl]amino]-3-chlorochromeno[2,3-c]pyridin-5-yl]acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H26BrClN2O4S
assistant