Task: Answer the multiple-choice question.
Query: Which drug has a 2.175\% 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] CCOC(=O)c1c(C)oc2ccc(NS(=O)(=O)c3cccs3)cc12
[b] O=S(=O)(CCN1CCSCC1)c1ccccc1
[c] CCOc1ccc(NS(=O)(=O)c2ccc(OCC(=O)NCc3ccncc3)cc2)cc1
[d] CCOC(=O)c1ccccc1Nc1cc(C)nc2nc(C)nn12
Answer: d. CCOC(=O)c1ccccc1Nc1cc(C)nc2nc(C)nn12
{#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)c1ccccc1Nc1cc(C)nc2nc(C)nn12
CCOC(=O)c1ccccc1Nc1cc(C)nc2nc(C)nn12
ethyl 2-[(2,5-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)amino]benzoate