You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[3-(dimethylsulfamoyl)-4-methoxyphenyl]-2-(6-phenylimidazo[2,1-b][1,3]thiazol-3-yl)acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H22N4O4S2
assistant