You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule [2-[3-amino-5-[2-(1-hydroxycyclobutyl)-1,3-thiazol-5-yl]anilino]pyrimidin-4-yl] azetidine-1-carboperoxoate ?
user
C21H22N6O4S
assistant