You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (E)-N-(2-chlorophenyl)-2-cyano-3-[2-(naphthalen-1-ylmethoxy)naphthalen-1-yl]prop-2-enamide .
user
C31H21ClN2O2
assistant