You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 4-[5-(4-methyl-2-nitrophenyl)furan-2-yl]-3,4,5,6-tetrahydro-1H-benzo[h]quinazoline-2-thione .
user
C23H19N3O3S
assistant