You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-[4-(4-chlorophenyl)piperazin-1-yl]ethyl]-7-methoxy-1,2,3,4-tetrahydronaphthalen-1-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H30ClN3O
assistant