You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(1R,4aR,6R,7S,7aR)-7-hydroxy-7-(hydroxymethyl)-6-[(Z)-3-(4-hydroxyphenyl)prop-2-enoyl]oxy-4-[[(2S,3S,4R,5R,6S)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]-4a,5,6,7a-tetrahydro-1H-cyclopenta[c]pyran-1-yl] 3-methylbutanoate by IUPAC nomenclature, provide its molecular formula.
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C30H40O14
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