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)-3-(4-chlorophenyl)-N-[2-methoxy-5-(5-propan-2-yl-1,3-benzoxazol-2-yl)phenyl]prop-2-enamide .
user
C26H23ClN2O3
assistant