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 1-(2,5-dimethoxyphenyl)-4-[5-ethyl-4-[(3-methoxyphenoxy)methyl]cyclopenta-1,3-dien-1-yl]butan-2-one ?
user
C27H32O5
assistant