You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-amino-2-(4-propan-2-ylphenyl)ethyl]-2-(5-methyl-2-thiophen-3-yl-1,3-oxazol-4-yl)acetamide;dihydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H27Cl2N3O2S
assistant