Task: Answer the multiple-choice question.
Query: Which compound has a 12.946\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CCN1C(=O)C(=O)N(CC(=O)N2CCc3cc(OC)c(OC)cc3C2)C1=O
b: CCc1c(O)nc(SCC(=O)Nc2ccc(C)cc2)n(C2CCCCC2)c1=O
c: O=C(COc1ccc(Br)cc1Cl)NC1CCCCC1
d: CC(C)CC(=O)NC(=S)Nc1ccc(S(=O)(=O)N2CCN(C)CC2)cc1
Answer: a. CCN1C(=O)C(=O)N(CC(=O)N2CCc3cc(OC)c(OC)cc3C2)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#}
CCN1C(=O)C(=O)N(CC(=O)N2CCc3cc(OC)c(OC)cc3C2)C1=O
CCN1C(=O)C(=O)N(CC(=O)N2CCc3cc(OC)c(OC)cc3C2)C1=O
1-[2-(6,7-dimethoxy-3,4-dihydro-1H-isoquinolin-2-yl)-2-oxoethyl]-3-ethylimidazolidine-2,4,5-trione