You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
magnesium;2-(1H-cyclopenta[a]naphthalen-1-id-2-yl)ethylidene-dimethylsilane;2-ethyl-1H-cyclopenta[a]naphthalen-1-ide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C32H30MgSi
assistant