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 (3Z)-3-[(3-bromo-5-methyl-1H-pyrrol-2-yl)methylidene]-6-dimethylphosphoryl-1H-indol-2-one ?
user
C16H16BrN2O2P
assistant