You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4R)-5-[(7-methylimidazo[1,2-a]pyridin-2-yl)methyl]-1,4,6,7-tetrahydroimidazo[4,5-c]pyridine-4-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H17N5O2
assistant