You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[cyclopropyl-[(1S)-2,3-dihydro-1H-inden-1-yl]carbamoyl]pyridine-2-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H18N2O3
assistant