You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(2-chloro-4-nitrophenyl)-2-[2-[4-(morpholin-4-ylmethyl)phenyl]-1,3-thiazol-4-yl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H21ClN4O4S
assistant