Task: Answer the MCQ question.
Query: Which drug exhibits a -19.147\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1ccccc1C1NC=C([N+](=O)[O-])C=C1[N+](=O)[O-]
(b) CCc1ccc(C2CC(=O)N(c3cccc(F)c3)C3=C2C(=O)OC3)cc1
Answer: b. CCc1ccc(C2CC(=O)N(c3cccc(F)c3)C3=C2C(=O)OC3)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#}
CCc1ccc(C2CC(=O)N(c3cccc(F)c3)C3=C2C(=O)OC3)cc1
CCc1ccc(C2CC(=O)N(c3cccc(F)c3)C3=C2C(=O)OC3)cc1
4-(4-ethylphenyl)-1-(3-fluorophenyl)-4,7-dihydro-3H-furo[3,4-b]pyridine-2,5-dione