Task: Answer the MCQ question.
Query: Which drug has a 18.431\% 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] CCN(CC(=O)Nc1ccc2c(c1)OCCO2)C(=O)CC(NC(C)=O)c1ccccc1
[b] C1CCCN(C2CCNCC2)CC1.Cl
Answer: b. C1CCCN(C2CCNCC2)CC1.Cl
{#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#}
C1CCCN(C2CCNCC2)CC1.Cl
C1CCCN(C2CCNCC2)CC1.Cl
1-piperidin-4-ylazepane;hydrochloride