Problem statement: Answer the multiple-choice question.
Question: Which drug has a 9.667\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) COCCNC(=O)C(=O)Nc1ccc(Br)cc1
(b) CCOC(=O)N1CCC(NC(=O)CCC(=O)N2CC(C)Oc3ccc(C)cc32)CC1
Answer: b. CCOC(=O)N1CCC(NC(=O)CCC(=O)N2CC(C)Oc3ccc(C)cc32)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#}
ethyl 4-[[4-(2,6-dimethyl-2,3-dihydro-1,4-benzoxazin-4-yl)-4-oxobutanoyl]amino]piperidine-1-carboxylate