Clavulanic acid (structure shown) is a drug used in conjunction with some antibiotics to overcome certain types of antibiotic resistance. How many chirality centers are in clavulanic acid? 
Definitions:
Nerve Net
A simple nervous system found in some invertebrates, consisting of interconnected neurons with no central brain.
Nervous System
The complex network of nerves and cells that transmits signals between different parts of the body, enabling sensory perception, coordination, and response to stimuli.
Annelids
A phylum of segmented worms that includes earthworms, leeches, and polychaetes, characterized by a segmented body structure.
Flatworms
A group of invertebrates within the phylum Platyhelminthes, known for their flat, soft bodies.
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