Problem statement: Answer the multiple-choice question.
Query: Which compound has a 18.647\% 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] CN(CC(=O)NC1CCN(Cc2ccccc2)CC1)S(=O)(=O)c1ccc(Cl)cc1
[b] COc1cccc(CC(NC(C)=O)C(=O)NC2CCN(c3ncccc3[N+](=O)[O-])CC2)c1
[c] O=C(/C=C/c1ccccc1)c1ccc2c(c1)OCCCCO2
[d] O=C1CCCN1CC(=O)N1CCCC(Nc2cccc(F)c2)C1
[e] O=C(CC1Sc2ncnn2C1=O)Nc1ccc(Cl)cc1
Answer: b. COc1cccc(CC(NC(C)=O)C(=O)NC2CCN(c3ncccc3[N+](=O)[O-])CC2)c1
{#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#}
COc1cccc(CC(NC(C)=O)C(=O)NC2CCN(c3ncccc3[N+](=O)[O-])CC2)c1
COc1cccc(CC(NC(C)=O)C(=O)NC2CCN(c3ncccc3[N+](=O)[O-])CC2)c1
2-acetamido-3-(3-methoxyphenyl)-N-[1-(3-nitropyridin-2-yl)piperidin-4-yl]propanamide