You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 1-[4-[(7-chloro-4-oxoquinazolin-3-yl)methyl]-4-hydroxypiperidin-1-yl]-7-(1-methylpyrrolidin-3-yl)heptane-1,7-dione ?
user
C26H35ClN4O4
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