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 N-(3-cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)-1-methyl-6-oxo-4,5-dihydropyridazine-3-carboxamide ?
user
C14H14N4O2S
assistant