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 [(E)-3-(1,3-benzodioxol-5-yl)prop-2-enyl] (Z)-3-(1,3-benzodioxol-5-yl)-3-chloroprop-2-enoate .
user
C20H15ClO6
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