You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 5-(3,4-dimethoxyphenyl)-3-[(4-pyrimidin-2-ylpiperazin-1-yl)methyl]-1,3,4-oxadiazole-2-thione using the IUPAC nomenclature.
user
C19H22N6O3S
assistant