You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 2-[7-[[4-(3-ethoxyphenyl)phenyl]methoxy]-1,2,3,4-tetrahydronaphthalen-1-yl]acetic acid is given. What is its corresponding molecular formula?
user
C27H28O4
assistant