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 4-(1-benzofuran-2-yl)-3-(1-benzothiophen-2-yl)-5-(2,3-dihydroindol-1-yl)-1-quinolin-2-ylisoquinoline .
user
C42H27N3OS
assistant