Task: Answer the multiple-choice question.
Query: Which drug exhibits a 2.007\% hERG inhibition at a concentration of 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(c1ccccc1)c1cccn1CC(=O)N1CCN(c2ccc(F)cc2)CC1
[b] CCCc1nc2ccc(NC(=O)c3cccs3)cc2c(=O)n1Cc1ccccc1Cl
[c] CCCn1nc(NC(=O)c2cccs2)c2cc3cccc(C)c3nc21
[d] Cc1ccc(N(C)C(=O)N2CCN(S(=O)(=O)c3ccc(C)c(C)c3)CC2)cc1
[e] Cc1ccc(C(=O)N/C(=C/c2ccc(-c3cccc([N+](=O)[O-])c3)o2)C(=O)NCCCN(C)C)cc1
Answer: c. CCCn1nc(NC(=O)c2cccs2)c2cc3cccc(C)c3nc21
{#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#}
CCCn1nc(NC(=O)c2cccs2)c2cc3cccc(C)c3nc21
CCCn1nc(NC(=O)c2cccs2)c2cc3cccc(C)c3nc21
N-(8-methyl-1-propylpyrazolo[3,4-b]quinolin-3-yl)thiophene-2-carboxamide