You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (7-bromo-4-oxopyrido[1,2-a]pyrimidin-2-yl)methyl 4-methylsulfonylbenzoate using the IUPAC nomenclature.
user
C17H13BrN2O5S
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