You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(3R)-3-cyano-4-imino-2-oxopentyl] 2-chloro-4,6-dimethylpyridine-3-carboxylate by IUPAC nomenclature, provide its molecular formula.
user
C14H14ClN3O3
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