You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (1R,3S)-3-[(2,2-dimethylcyclopropyl)carbamoyl]-2,2-dimethylcyclopropane-1-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
user
C12H19NO3
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