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 identified by 3-chloro-N-[4-chloro-2-[(S)-hydroxy(phenyl)methyl]phenyl]-7-nitro-1-benzothiophene-2-carboxamide ?
user
C22H14Cl2N2O4S
assistant