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 (2E)-2-[6-[(2-ethyl-3-methylindol-1-yl)methyl]-2-tricyclo[9.4.0.03,8]pentadeca-1(15),3(8),4,6,11,13-hexaenylidene]acetonitrile .
user
C29H26N2
assistant