You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-chloro-1-[4-[4-(1,3,4-oxadiazol-2-yl)phenyl]-3,6-dihydro-2H-pyridin-1-yl]ethanone into molecular formula.
user
C15H14ClN3O2
assistant