You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-(5,6-dimethoxy-4-oxo-7-propan-2-yloxychromen-2-yl)sulfanylphenyl] morpholine-4-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H27NO8S
assistant