You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(E)-(4-bromophenyl)methylideneamino]-N-(6-methyl-1,3-benzothiazol-2-yl)-2-oxochromene-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H16BrN3O3S
assistant