Task: Answer the multiple-choice question.
Query: Which drug exhibits a 3.158\% 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] CCC1SC(CC)C(=O)N(CC(=O)NCCc2ccccc2)C1=O
[b] O=C1c2cccc3cccc(c23)C(=O)N1/N=C/c1c(O)n(-c2ccccc2)c(=O)[nH]c1=O
[c] COC(C(=O)Nc1ccc(S(=O)(=O)N2CCCCC2)cc1)c1ccccc1
[d] COc1ccc(/C=N/NC(=O)c2cccc([N+](=O)[O-])c2)c2ccccc12
Answer: a. CCC1SC(CC)C(=O)N(CC(=O)NCCc2ccccc2)C1=O
{#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#}
CCC1SC(CC)C(=O)N(CC(=O)NCCc2ccccc2)C1=O
CCC1SC(CC)C(=O)N(CC(=O)NCCc2ccccc2)C1=O
2-(2,6-diethyl-3,5-dioxothiomorpholin-4-yl)-N-(2-phenylethyl)acetamide