Question: Determine if this drug is administered as a racemic mixture, a single stereoisomer, an achiral molecule, or has an unknown chirality.
 The Molecule has the SMILES NC[C@H](CC(=O)O)c1ccc(Cl)cc1.
Result: Single stereoisomer
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
NC[C@H](CC(=O)O)c1ccc(Cl)cc1
NC[C@H](CC(=O)O)c1ccc(Cl)cc1
(3R)-4-amino-3-(4-chlorophenyl)butanoic acid
Determine if this drug is administered as a racemic mixture, a single stereoisomer, an achiral molecule, or has an unknown chirality.