You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[2-[4-[6-(3,4-dimethoxyphenyl)pyridazin-3-yl]piperazin-1-yl]-2-oxoethyl]-N-(furan-2-ylmethyl)-2-methylpropanamide into its molecular formula.
user
C27H33N5O5
assistant