Task: Answer the multiple-choice question.
Query: Which drug has a 18.173\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] COc1ccccc1NC(=O)C1CCN(S(C)(=O)=O)CC1
[b] O=C(Nc1cccc(/C=C/c2ccccn2)c1)c1cc(Cl)ccn1
[c] CC(C)(C)NC(=O)CN1CCCN(C(=O)c2cccc(S(=O)(=O)N3CCc4ccccc43)c2)CC1
[d] Cc1cc(/C=N/n2cnnc2)c(C)n1-c1ccc2c(c1)OCO2
Answer: a. COc1ccccc1NC(=O)C1CCN(S(C)(=O)=O)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#}
COc1ccccc1NC(=O)C1CCN(S(C)(=O)=O)CC1
COc1ccccc1NC(=O)C1CCN(S(C)(=O)=O)CC1
N-(2-methoxyphenyl)-1-methylsulfonylpiperidine-4-carboxamide