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 (3-ethyloxetan-3-yl)methyl 2-methylbutanoate;N-(hydroxymethyl)-2,2-dimethylbutanamide;(4-hydroxyphenyl) 2,2-dimethylbutanoate .
user
C30H51NO8
assistant