You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (5Z)-3-[3-(4-methylpiperazin-1-yl)phenyl]-5-[(5-nitrofuran-2-yl)methylidene]-1,3-thiazolidine-2,4-dione ?
user
C19H18N4O5S
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