Task: Answer the multiple-choice question.
Query: Which compound has a -1.809\% human ether-à-go-go related gene (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. O=C(Cc1ccccc1)Nc1ccc(N2CCOCC2)cc1N1CCOCC1
b. COc1ccc(OC)c2c1sc(=NC(=O)C1CCCCC1)n2C
c. C#CCOCCOCCOCCNc1nc(N2CCN(C(=O)[C@H](CCC(=O)O)n3cc(C(N)Cc4ccc(O)cc4)nn3)CC2)nc(N2CCN(C(=O)[C@H](CCC(=O)O)n3cc(C(N)CC(C)C)nn3)CC2)n1.Cl
Answer: b. COc1ccc(OC)c2c1sc(=NC(=O)C1CCCCC1)n2C
{#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#}
COc1ccc(OC)c2c1sc(=NC(=O)C1CCCCC1)n2C
COc1ccc(OC)c2c1sc(=NC(=O)C1CCCCC1)n2C
N-(4,7-dimethoxy-3-methyl-1,3-benzothiazol-2-ylidene)cyclohexanecarboxamide