Task: Answer the MCQ question.
Question: Which compound exhibits a 6.573\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] O=C(CCNC(=O)c1ccccc1Cl)Nc1cccc(C(F)(F)F)c1
[b] O=C(c1ccc(Br)s1)N1CCN(S(=O)(=O)c2ccccc2)CC1
[c] CCOC(=O)C1=C(C)NC2=C(C(=O)C(C(=O)OCC)C(c3cccc(OC)c3)C2)C1c1ccccn1
Answer: b. O=C(c1ccc(Br)s1)N1CCN(S(=O)(=O)c2ccccc2)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#}
O=C(c1ccc(Br)s1)N1CCN(S(=O)(=O)c2ccccc2)CC1
O=C(c1ccc(Br)s1)N1CCN(S(=O)(=O)c2ccccc2)CC1
[4-(benzenesulfonyl)piperazin-1-yl]-(5-bromothiophen-2-yl)methanone