Task: Answer the multiple choice question.
Query: Which compound exhibits a -6.206% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) COc1ccc(C2=Nc3cccc4cccc(c34)N2)cc1
(b) CCn1c(-c2cccnc2Cl)nc2ccccc21
(c) COc1cc(NC(=S)N2CCN(c3ccccn3)CC2)cc(OC)c1
Answer: b. CCn1c(-c2cccnc2Cl)nc2ccccc21
{#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#}
CCn1c(-c2cccnc2Cl)nc2ccccc21
CCn1c(-c2cccnc2Cl)nc2ccccc21
2-(2-chloropyridin-3-yl)-1-ethylbenzimidazole