You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2S,3S,6S)-6-(furan-2-ylmethylcarbamoyl)-1,1,2-trimethylspiro[2.3]hexane-2-carboxylic acid into molecular formula.
user
C16H21NO4
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