You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 5-[4-[(5-chloropyridin-2-yl)methoxy]phenyl]-2-oxo-6-(trifluoromethyl)-1H-pyridine-3-carboxamide is given. What is its corresponding molecular formula?
user
C19H13ClF3N3O3
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