You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[6-bromo-4-[[(1S)-1-(6-chloro-1H-benzimidazol-2-yl)-2-methoxyethyl]amino]quinazolin-7-yl]-(4,5-dihydro-1,3-thiazol-2-yl)methanol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H20BrClN6O2S
assistant