You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3-(4-chlorophenyl)-N-[2-[3-(furan-2-yl)-1H-1,2,4-triazol-5-yl]ethyl]prop-2-enamide by IUPAC nomenclature, provide its molecular formula.
user
C17H15ClN4O2
assistant