Task: Answer the multiple-choice question.
Question: Which compound has a 5.187\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: Cn1c(Cc2ccccc2)nnc1SCC(=O)Nc1ccc2c(c1)OCO2
b: COc1ccc2nc(N3CCN(C(=O)c4ccc5ncsc5c4)CC3)sc2c1
c: NC(=O)C1CCN(Cc2ccc(OCc3ccccc3)cc2)CC1.O=C(O)C(=O)O
d: CC(C)C(=O)O/N=C(\N)c1ccccn1
Answer: b. COc1ccc2nc(N3CCN(C(=O)c4ccc5ncsc5c4)CC3)sc2c1
{#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#}
COc1ccc2nc(N3CCN(C(=O)c4ccc5ncsc5c4)CC3)sc2c1
COc1ccc2nc(N3CCN(C(=O)c4ccc5ncsc5c4)CC3)sc2c1
1,3-benzothiazol-6-yl-[4-(6-methoxy-1,3-benzothiazol-2-yl)piperazin-1-yl]methanone