Task: Answer the multiple-choice question.
Question: Which compound exhibits a 7.228\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a COC(=O)CCCC[C@H]1SC[C@H]2NC(=O)N[C@]21O
b O=C1c2cccc3cccc(c23)C(=O)N1CC1CCCO1
c COc1cccc(NC(=O)CCC(=O)Nc2cccc(OC)c2)c1
d Clc1ccc(Nc2ccc(Cl)nn2)cc1
Answer: a. COC(=O)CCCC[C@H]1SC[C@H]2NC(=O)N[C@]21O
{#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#}
COC(=O)CCCC[C@H]1SC[C@H]2NC(=O)N[C@]21O
COC(=O)CCCC[C@H]1SC[C@H]2NC(=O)N[C@]21O
methyl 5-[(3aS,4R,6aS)-3a-hydroxy-2-oxo-3,4,6,6a-tetrahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanoate