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 2-[3-[(4-chlorophenyl)methyl]-6,7-dimethoxy-4-oxoquinazolin-2-yl]sulfanyl-N-(2-methoxyethyl)butanamide .
user
C24H28ClN3O5S
assistant