You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (11R)-N-(6-acetyl-1,3-benzodioxol-5-yl)-5-[(3-chlorophenyl)methyl]-6,11-dioxobenzo[b][1,4]benzothiazepine-3-carboxamide ?
user
C30H21ClN2O6S
assistant