Task: Answer the multiple-choice question.
Question: Which drug has a 18.588% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] O=C(NCCc1ccccc1)/C(=C\c1ccc([N+](=O)[O-])cc1)NC(=O)c1ccc(Br)cc1
[b] Cl.c1ccc(CCCN2CCN(CCOC(c3ccccc3)c3ccccc3)CC2)cc1
[c] CCN1CCN(C(=O)COc2ccc(S(=O)(=O)N3CCOCC3)cc2C)CC1
[d] CC(=O)Nc1ccc2c(c1)nc(CCN1CCN(c3ccccn3)CC1)n2C
Answer: d. CC(=O)Nc1ccc2c(c1)nc(CCN1CCN(c3ccccn3)CC1)n2C
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CC(=O)Nc1ccc2c(c1)nc(CCN1CCN(c3ccccn3)CC1)n2C
CC(=O)Nc1ccc2c(c1)nc(CCN1CCN(c3ccccn3)CC1)n2C
N-[1-methyl-2-[2-(4-pyridin-2-ylpiperazin-1-yl)ethyl]benzimidazol-5-yl]acetamide