Task: Answer the multiple-choice question.
Query: Which compound exhibits a -8.134\% 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)CCOc1ccccc1)Nc1cc(S(=O)(=O)N2CCCCC2)ccc1Cl
b: CCOCCCn1c(=S)[nH]c2cc(C(=O)N3CCN(C)CC3)ccc2c1=O
Answer: b. CCOCCCn1c(=S)[nH]c2cc(C(=O)N3CCN(C)CC3)ccc2c1=O
{#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#}
CCOCCCn1c(=S)[nH]c2cc(C(=O)N3CCN(C)CC3)ccc2c1=O
CCOCCCn1c(=S)[nH]c2cc(C(=O)N3CCN(C)CC3)ccc2c1=O
3-(3-ethoxypropyl)-7-(4-methylpiperazine-1-carbonyl)-2-sulfanylidene-1H-quinazolin-4-one