You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-[4-[(Z)-(2,4-dioxo-1,3-thiazolidin-5-ylidene)methyl]naphthalen-1-yl]oxypentanoic acid into its molecular formula.
user
C19H17NO5S
assistant