You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
sodium;3-bromopentanoic acid;5-ethyl-4,6-dioxo-5-pentan-2-yl-1H-pyrimidin-2-olate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H26BrN2NaO5
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