Task: Answer the multiple-choice question.
Query: Which compound exhibits a 12.954\% 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(Cn1ccc([N+](=O)[O-])n1)NCc1ccco1
[b] CCC(=O)Nc1cc(C(=O)NCC2CCCN2CC)c(OC)cc1N(C)C
[c] N=c1c(S(=O)(=O)c2ccc(Br)cc2)cc2c(=O)n3ccccc3nc2n1C1CCCCC1
[d] CCOC(=O)c1[nH]c2ccccc2c1NC(=O)c1ccc(S(=O)(=O)N2CCCCC2)cc1
[e] Cn1c(=O)c2c(nc(NC3CCCCC3)n2CC(O)COc2ccccc2)n(C)c1=O
Answer: a. O=C(Cn1ccc([N+](=O)[O-])n1)NCc1ccco1
{#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(Cn1ccc([N+](=O)[O-])n1)NCc1ccco1
O=C(Cn1ccc([N+](=O)[O-])n1)NCc1ccco1
N-(furan-2-ylmethyl)-2-(3-nitropyrazol-1-yl)acetamide