You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl (2S,3R)-2-cyano-2-(2-methoxyethoxymethyl)-3-(2-methoxyphenyl)-3-naphthalen-1-ylpropanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H27NO5
assistant