You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[4-[3-(carboxymethyl)pyridin-4-yl]-1,3-thiazol-2-yl]-6-oxopyridine-3-carboxylic acid into its molecular formula.
user
C16H11N3O5S
assistant