Task: Answer the MCQ question.
Query: Which compound exhibits a 0.281% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] O=[N+]([O-])c1ccc(OCCOCCOc2ccc([N+](=O)[O-])cc2)cc1
[b] CCN(CC(=O)Nc1ccc2c(c1)OCCO2)C(=O)CC1CCCC1
[c] CCN(CC)CCNC(=O)Cc1nn(CC)c(=O)c2ccccc12.Cl
Answer: b. CCN(CC(=O)Nc1ccc2c(c1)OCCO2)C(=O)CC1CCCC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCN(CC(=O)Nc1ccc2c(c1)OCCO2)C(=O)CC1CCCC1
CCN(CC(=O)Nc1ccc2c(c1)OCCO2)C(=O)CC1CCCC1
2-cyclopentyl-N-[2-(2,3-dihydro-1,4-benzodioxin-6-ylamino)-2-oxoethyl]-N-ethylacetamide