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 3-amino-4-(3-imidazo[2,1-b][1,3]benzothiazol-2-ylphenoxy)-4-oxobutanoic acid using the IUPAC nomenclature.
user
C19H15N3O4S
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