You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-[[2-oxo-6-(trifluoromethyl)-1H-indol-3-ylidene]methyl]-4,5,6,7-tetrahydro-1-benzofuran-3-carbonitrile ?
user
C19H13F3N2O2
assistant