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 (2R)-3-cyclopropyl-2-[2-(difluoromethoxy)-3-methoxyphenyl]-1,2-dihydroquinazolin-4-one using the IUPAC nomenclature.
user
C19H18F2N2O3
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