You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the SMILES representation of the molecule 5-[3,5-ditert-butyl-2-(methoxymethoxy)phenyl]selanyl-3-methylpent-2-en-4-ynoic acid;ethyl 5-[3,5-ditert-butyl-2-(methoxymethoxy)phenyl]selanyl-3-methylpent-2-en-4-ynoate .
user