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 5-[(E)-3-methylpent-1-enyl]-7-[(1E,3E)-penta-1,3-dienyl]-2,3-dihydrothieno[3,4-b][1,4]dioxine .
user
C17H22O2S
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