You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (1R,2R,4R,5S,7R)-spiro[3,8,10-trioxatricyclo[5.3.0.02,4]decane-9,1'-cyclohexane]-5-ol using the IUPAC nomenclature.
user
C12H18O4
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