You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 3,4-dihydro-2H-quinolin-1-yl-[2-[(5-methyl-1,2-oxazol-3-yl)amino]pyrimidin-5-yl]methanone into molecular formula.
user
C18H17N5O2
assistant