You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(1S,2R,5R,6R,7S,10R)-10-(2-hydroxyacetyl)oxy-1,5-dimethyl-8-propan-2-yl-11-oxatricyclo[6.2.1.02,6]undecan-7-yl] but-2-enoate into molecular formula.
user
C21H32O6
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