Task: Answer the multiple-choice question.
Query: Which compound exhibits a -1.849\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=C(NCCN1CCOCC1)c1ccc(Cl)nc1Cl
[b] CCCNC(=S)N1CCN(CC)CC1.O=C(O)C(=O)O
Answer: a. O=C(NCCN1CCOCC1)c1ccc(Cl)nc1Cl
{#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#}
O=C(NCCN1CCOCC1)c1ccc(Cl)nc1Cl
O=C(NCCN1CCOCC1)c1ccc(Cl)nc1Cl
2,6-dichloro-N-(2-morpholin-4-ylethyl)pyridine-3-carboxamide