You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[5-[4-[(E)-2-(4-methoxycyclohexa-1,3-dien-1-yl)ethenyl]phenyl]-1,1-dioxo-3H-thieno[2,3-d][1,2]thiazol-2-yl]-2-phenylacetic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H25NO5S2
assistant