You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (3,4-diethoxyphenyl)-[4-[6-(2,5-dimethoxyphenyl)pyridazin-3-yl]piperazin-1-yl]methanone into its molecular formula.
user
C27H32N4O5
assistant