Task: Answer the multiple choice question.
Query: Which drug exhibits a -18.397% 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.) CCN1CCN(CC(=O)N/N=C/c2cc(Br)cs2)CC1
b.) Cc1ccc(-n2nc(C)cc2Nc2ncc(Cl)cc2Cl)cc1
c.) Cc1cc(C)c2nc(/N=C(\N)NC(=O)c3ccccc3)nc(C)c2c1
Answer: a. CCN1CCN(CC(=O)N/N=C/c2cc(Br)cs2)CC1
{#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#}
CCN1CCN(CC(=O)N/N=C/c2cc(Br)cs2)CC1
CCN1CCN(CC(=O)N/N=C/c2cc(Br)cs2)CC1
N-[(E)-(4-bromothiophen-2-yl)methylideneamino]-2-(4-ethylpiperazin-1-yl)acetamide