You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
prop-2-enyl 2-[4-hydroxy-2-(4-nitrophenyl)-5-oxo-3-[(E)-3-phenylprop-2-enoyl]-2H-pyrrol-1-yl]-4-methyl-1,3-thiazole-5-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H21N3O7S
assistant