You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(2,4-dimethyl-1,3-thiazol-5-yl)-(3-methoxypyrazin-2-yl)methyl]propan-1-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H20N4OS
assistant