You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule methyl (1S,2S,5S,6R,8S,9R)-9-hydroxy-2,10,10-trimethyltricyclo[6.3.0.01,5]undecane-6-carboxylate into molecular formula.
user
C16H26O3
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