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 1-pyridazin-3-yl-N-[4-[1-(4-thiophen-2-ylbutanoyl)piperidin-4-yl]phenyl]pyrrolidine-3-carboxamide .
user
C28H33N5O2S
assistant