You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2S)-1-[(5-chloropyridin-2-yl)amino]-1-oxopropan-2-yl] (1S)-2,2-dichloro-1-methylcyclopropane-1-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H13Cl3N2O3
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