You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(azepan-4-yl)-2-(5-methylfuran-2-yl)-N-(pyridin-2-ylmethyl)-1,3-thiazole-4-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H24N4O2S
assistant