Task: Answer the multiple-choice question.
Query: Which compound exhibits a -1.864\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] O=C(Cn1nnc2ccccc2c1=O)NCCc1ccc(Cl)cc1Cl
[b] CCOc1cc(S(=O)(=O)NC2CC(C)(C)NC(C)(C)C2)ccc1Cl
[c] Cc1ccc(-c2nccc(-c3ccc([N+](=O)[O-])c(CS(=O)(=O)c4ccc(Cl)cc4)c3)n2)cc1
[d] CCOC(=O)c1ccc(NC(=O)COc2ccc(S(=O)(=O)N3CCCC3)cc2)cc1
[e] O=C1N(CN2CCN(c3cccc(Cl)c3)CC2)c2ccccc2C12OCCCO2
Answer: a. O=C(Cn1nnc2ccccc2c1=O)NCCc1ccc(Cl)cc1Cl
{#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(Cn1nnc2ccccc2c1=O)NCCc1ccc(Cl)cc1Cl
O=C(Cn1nnc2ccccc2c1=O)NCCc1ccc(Cl)cc1Cl
N-[2-(2,4-dichlorophenyl)ethyl]-2-(4-oxo-1,2,3-benzotriazin-3-yl)acetamide