You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(6-aminopyridin-2-yl)amino]-1-(1,2-oxazol-3-yl)-3-phenyl-2-pyridin-2-ylpropan-1-ol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H21N5O2
assistant