You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(NZ)-2-chloro-N-[(5E)-4-oxo-5-(quinolin-6-ylmethylidene)-1,3-thiazolidin-2-ylidene]benzenesulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H12ClN3O3S2
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