You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-but-2-enedioic acid;(E)-1-[3,5-dimethyl-4-(2-pyrrolidin-1-ylethoxy)phenyl]-3-(3-methylthiophen-2-yl)prop-2-en-1-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H31NO6S
assistant