You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-(4-methoxyphenyl)-5-[(3R)-3-(propylcarbamoyl)piperidine-1-carbonyl]-1,3,4-thiadiazole-2-carboxamide into its molecular formula.
user
C20H25N5O4S
assistant