Task: Answer the MCQ question.
Query: Which compound has a 5.222\% 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 other words.
Options:
(a) COCc1cc(C)nc(SCc2nc3ccccc3c(=O)[nH]2)c1C#N
(b) Nn1cnnc1SCC(=O)Nc1ccc2c(c1)OCCO2
(c) CCN1CCN(S(=O)(=O)c2ccc3[nH]c(=O)oc3c2)CC1
(d) O=C(CCSc1ccccc1)NC1CCCCCC1
Answer: b. Nn1cnnc1SCC(=O)Nc1ccc2c(c1)OCCO2
{#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#}
Nn1cnnc1SCC(=O)Nc1ccc2c(c1)OCCO2
Nn1cnnc1SCC(=O)Nc1ccc2c(c1)OCCO2
2-[(4-amino-1,2,4-triazol-3-yl)sulfanyl]-N-(2,3-dihydro-1,4-benzodioxin-6-yl)acetamide