You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-(3-chloropyridin-2-yl)sulfanylpyridine-2-carboxylic acid The above is the IUPAC name of a molecule. Write its SMILES notation.
user
O=C(O)C1=CC=C(SC2=NC=CC=C2Cl)C=N1
assistant