You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(3,5-dimethyl-1,2-oxazol-4-yl)methylsulfanyl]-1-(3-hydroxy-8-azabicyclo[3.2.1]octan-8-yl)ethanone is the IUPAC name of a molecule. Please give its molecular formula.
user
C15H22N2O3S
assistant