You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 5-(4-tert-butylphenoxy)-2-methylpent-1-en-3-one;ethane;2-methyl-5-(4-methylphenoxy)pent-1-en-3-one .
user
C33H50O4
assistant