You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-amino-N'-[2-chloro-5-[3-(3-chloro-4-cyanophenyl)-5,5-dimethyl-4-oxo-2-sulfanylideneimidazolidin-1-yl]phenyl]butanediamide .
user
C22H20Cl2N6O3S
assistant