Task: Answer the multiple-choice question.
Question: Which compound has a -2.879\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] Cc1cccc(OCc2nnc(SCC(=O)N3CCN(c4ccccc4)CC3)o2)c1C
[b] CCc1cc(=O)oc2cc(OCC(=O)N3CCC(C(=O)O)CC3)ccc12
Answer: a. Cc1cccc(OCc2nnc(SCC(=O)N3CCN(c4ccccc4)CC3)o2)c1C
{#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#}
Cc1cccc(OCc2nnc(SCC(=O)N3CCN(c4ccccc4)CC3)o2)c1C
Cc1cccc(OCc2nnc(SCC(=O)N3CCN(c4ccccc4)CC3)o2)c1C
2-[[5-[(2,3-dimethylphenoxy)methyl]-1,3,4-oxadiazol-2-yl]sulfanyl]-1-(4-phenylpiperazin-1-yl)ethanone