You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[1-(1H-indol-6-yl)-2,5-dioxopyrrolidin-3-yl]sulfanyl-6-(4-methoxyphenyl)pyridine-3-carbonitrile .
user
C25H18N4O3S
assistant