You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[4-(3-bromo-4-methoxyphenyl)-1,3-thiazol-2-yl]-2-(4-chloro-3,5-dimethylphenoxy)acetamide into molecular formula.
user
C20H18BrClN2O3S
assistant