You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2S)-1-(2,3-dihydro-1H-inden-5-ylamino)-1-oxopropan-2-yl] 5-chloro-2-fluorobenzoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H17ClFNO3
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