You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-[(2Z)-2-[(3-bromo-5-ethoxy-4-hydroxyphenyl)methylidene]hydrazinyl]-4-propan-2-yl-1H-pyrimidin-6-one .
user
C16H19BrN4O3
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