Task: Answer the MCQ question.
Question: Which drug exhibits a -3.236\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. CCN1CCN(C(=S)c2ccc(Cl)cc2)CC1
b. COc1ccc([C@H]2CC(=O)C=C(c3cccc(Br)c3)C2)cc1
c. Cc1ccc(S(=O)(=O)N2CCC(N3CCC(C)CC3)CC2)cc1
Answer: a. CCN1CCN(C(=S)c2ccc(Cl)cc2)CC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__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_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCN1CCN(C(=S)c2ccc(Cl)cc2)CC1
CCN1CCN(C(=S)c2ccc(Cl)cc2)CC1
(4-chlorophenyl)-(4-ethylpiperazin-1-yl)methanethione