You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by (2Z)-2-isocyano-2-[2-[(E)-2-(6-methoxy-4,4,10,10-tetramethyl-1-azatricyclo[7.3.1.05,13]trideca-5,7,9(13)-trien-7-yl)ethenyl]-6-[(E)-2-(9-phenylcarbazol-3-yl)ethenyl]pyran-4-ylidene]acetonitrile ?
user
C47H42N4O2
assistant