You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(1S,2R,5S)-6,6-dimethyl-2-bicyclo[3.1.1]heptanyl]ethyl 2-(2,4-dichlorophenoxy)acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H24Cl2O3
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