Task: Answer the multiple-choice question.
Question: Which drug has a -0.128\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) CCOC(=O)c1c(NC(=O)CCN2C(=O)c3ccccc3C2=O)sc(C(=O)OC(C)C)c1C
(b) Cc1ccc(C(=O)NNC(=O)c2cccc(S(=O)(=O)N3CCN(c4ccccc4)CC3)c2)cc1
(c) Oc1csc(Cc2nc(-c3ccc4ccccc4c3)cs2)n1
Answer: a. CCOC(=O)c1c(NC(=O)CCN2C(=O)c3ccccc3C2=O)sc(C(=O)OC(C)C)c1C
{#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#}
CCOC(=O)c1c(NC(=O)CCN2C(=O)c3ccccc3C2=O)sc(C(=O)OC(C)C)c1C
CCOC(=O)c1c(NC(=O)CCN2C(=O)c3ccccc3C2=O)sc(C(=O)OC(C)C)c1C
4-O-ethyl 2-O-propan-2-yl 5-[3-(1,3-dioxoisoindol-2-yl)propanoylamino]-3-methylthiophene-2,4-dicarboxylate