You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (4-cyclopentylpiperazin-1-yl)-[3-(1,1-dioxo-1,2-thiazolidin-2-yl)phenyl]methanone .
user
C19H27N3O3S
assistant