You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-[[2-[(4-methoxyphenoxy)methyl]-1,3-thiazol-4-yl]methyl]-3-methyl-N-propylbutanamide is given. What is its corresponding molecular formula?
user
C20H28N2O3S
assistant