You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 3-methyl-5-[2-[6-(6-methylpyridazin-3-yl)pyridazin-3-yl]ethenyl]thiophene-2-carbonitrile .
user
C17H13N5S
assistant