You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[6-[3-(2-aminopropan-2-yl)cyclobutyl]-2-(3-chlorophenyl)-4-oxoquinazolin-3-yl]-N-propan-2-ylacetamide into molecular formula.
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C26H31ClN4O2
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