You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (E)-N-[(2R)-butan-2-yl]-2-cyano-3-[3-ethoxy-4-(naphthalen-1-ylmethoxy)phenyl]prop-2-enamide ?
user
C27H28N2O3
assistant