You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (2S)-1-(3,5-dimethyl-1,2-oxazol-4-yl)-N-[(1S)-1-(5-methyl-1-pyridin-2-ylpyrazol-4-yl)ethyl]propan-2-amine .
user
C19H25N5O
assistant