Problem statement: Answer the MCQ question.
Query: Which compound has a 4.739\% 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) CC(C)c1ccc2[nH]c(O)c(N=NC(=O)c3ccc(CSc4nncn4C)cc3)c2c1
(b) O=C1CCCc2nc3c(cc21)C(O)Oc1ccccc1-3
Answer: b. O=C1CCCc2nc3c(cc21)C(O)Oc1ccccc1-3
{#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#}
O=C1CCCc2nc3c(cc21)C(O)Oc1ccccc1-3
O=C1CCCc2nc3c(cc21)C(O)Oc1ccccc1-3
[O][=C][C][C][C][C][=N][C][=C][Branch1][#Branch1][C][=C][Ring1][=Branch1][Ring1][#Branch2][C][Branch1][C][O][O][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=N]
6-hydroxy-6,9,10,11-tetrahydrochromeno[4,3-b]quinolin-8-one