You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 3-(2,5-dichlorophenyl)sulfanyl-6-(4-morpholin-4-ylphenyl)-6-thiophen-3-ylpiperidine-2,4-dione ?
user
C25H22Cl2N2O3S2
assistant