You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (Z)-3-[7-(9-ethylcarbazol-3-yl)-9,9-dimethylfluoren-2-yl]-2-isocyano-N-(triethoxysilylmethyl)prop-2-enamide .
user
C40H43N3O4Si
assistant