You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(6E)-2-benzyl-5-imino-6-[[1-(3-methoxyphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H23N5O2S
assistant