Task: Answer the multiple-choice question.
Question: Which drug exhibits a 1.821\% human ether-à-go-go related gene (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] COc1ccc(O)c(-c2cc(-c3ccc(F)cc3)n[nH]2)c1
[b] CCOc1ccc(NC(=O)C2CCN(S(=O)(=O)c3c(C)noc3C)CC2)cc1
[c] COc1cc(S(=O)(=O)NCc2ccccn2)c(OC)cc1Cl
[d] CCCCNc1ccc(C(CC(N)=O)NC(=O)c2cc(C)cc(C)c2)cc1[N+](=O)[O-]
[e] CCN(CC)CC(=O)Nc1c(C)cccc1C.Cl.O
Answer: b. CCOc1ccc(NC(=O)C2CCN(S(=O)(=O)c3c(C)noc3C)CC2)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#}
CCOc1ccc(NC(=O)C2CCN(S(=O)(=O)c3c(C)noc3C)CC2)cc1
CCOc1ccc(NC(=O)C2CCN(S(=O)(=O)c3c(C)noc3C)CC2)cc1
1-[(3,5-dimethyl-1,2-oxazol-4-yl)sulfonyl]-N-(4-ethoxyphenyl)piperidine-4-carboxamide