Task: Answer the MCQ question.
Question: Which compound exhibits a 2.309\% 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(COC(=O)C1C2CC3OC(=O)C1C3C2)Nc1cccc(Cl)c1
(b) CC(C)(C)NC(=S)N/N=C/c1c(Cl)cccc1Cl
Answer: a. O=C(COC(=O)C1C2CC3OC(=O)C1C3C2)Nc1cccc(Cl)c1
{#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(COC(=O)C1C2CC3OC(=O)C1C3C2)Nc1cccc(Cl)c1
O=C(COC(=O)C1C2CC3OC(=O)C1C3C2)Nc1cccc(Cl)c1
[2-(3-chloroanilino)-2-oxoethyl]5-oxo-4-oxatricyclo[4.2.1.03,7]nonane-9-carboxylate