Task: Answer the multiple choice question.
Query: Which compound exhibits a 20.571\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) COc1ccc2[nH]cc(CCNC(=O)c3ccccc3Cl)c2c1
(b) CCOC(=O)C1=NN(c2ccc(Cl)cc2)C(c2ccccc2)CC1=O
(c) CCOc1cccc(-c2c(C(=O)N/N=C/c3ccc(C)o3)nnn2-c2nonc2N)c1
(d) CCCNC(=O)C1CCN(S(=O)(=O)c2cccs2)CC1
Answer: d. CCCNC(=O)C1CCN(S(=O)(=O)c2cccs2)CC1
{#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#}
CCCNC(=O)C1CCN(S(=O)(=O)c2cccs2)CC1
CCCNC(=O)C1CCN(S(=O)(=O)c2cccs2)CC1
N-propyl-1-thiophen-2-ylsulfonylpiperidine-4-carboxamide