You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-[4-(2,3-dihydroindol-1-yl)-6,7-dimethoxyquinazolin-2-yl]sulfanyl-1,3-benzothiazole .
user
C25H20N4O2S2
assistant