Task: Answer the multiple-choice question.
Question: Which drug exhibits a 4.328% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: Br.Cc1ccccc1Cn1c(=N)n(CC(=O)c2ccc([N+](=O)[O-])cc2)c2ccccc21
b: COc1ccc(C2=NO[C@@H]3C(=O)N(c4cccc(C)c4C)C(=O)[C@H]23)cc1OC
c: O=C(CCl)c1cc2c3c(c1)CC(=O)N3CCC2
d: CC(C)c1cccc(C(C)C)c1NC(=S)Nc1cccc(Cl)c1
Answer: b. COc1ccc(C2=NO[C@@H]3C(=O)N(c4cccc(C)c4C)C(=O)[C@H]23)cc1OC
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1ccc(C2=NO[C@@H]3C(=O)N(c4cccc(C)c4C)C(=O)[C@H]23)cc1OC
COc1ccc(C2=NO[C@@H]3C(=O)N(c4cccc(C)c4C)C(=O)[C@H]23)cc1OC
(3aR,6aS)-3-(3,4-dimethoxyphenyl)-5-(2,3-dimethylphenyl)-3a,6a-dihydropyrrolo[3,4-d][1,2]oxazole-4,6-dione