Task: Answer the multiple choice question.
Question: Which drug exhibits a 4.149\% 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: C=CCNC(=O)CSc1nnc(C(CC)N(C)C)n1C1CCCCC1
b: CC(=O)c1ccc(N2CCN(C(=O)c3ccc4nc[nH]c4c3)CC2)cc1
Answer: b. CC(=O)c1ccc(N2CCN(C(=O)c3ccc4nc[nH]c4c3)CC2)cc1
{#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#}
CC(=O)c1ccc(N2CCN(C(=O)c3ccc4nc[nH]c4c3)CC2)cc1
CC(=O)c1ccc(N2CCN(C(=O)c3ccc4nc[nH]c4c3)CC2)cc1
1-[4-[4-(3H-benzimidazole-5-carbonyl)piperazin-1-yl]phenyl]ethanone