You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(1R,2S,4S,7S,10S,12S,13S)-13-hydroxy-2,6,6,13-tetramethyl-4-tetracyclo[10.3.1.01,10.02,7]hexadecanyl] benzoate into molecular formula.
user
C27H38O3
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