Task: Answer the MCQ question.
Query: Which compound has a 9.768\% 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) COC(=O)c1c(NC(=O)CN2C(=O)C(=O)N(CC(C)C)C2=O)sc(C)c1C
(b) CCOC(=O)c1cnc2ccc(OCC)cc2c1NCCN1CCOCC1.Cl
Answer: a. COC(=O)c1c(NC(=O)CN2C(=O)C(=O)N(CC(C)C)C2=O)sc(C)c1C
{#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)c1c(NC(=O)CN2C(=O)C(=O)N(CC(C)C)C2=O)sc(C)c1C
COC(=O)c1c(NC(=O)CN2C(=O)C(=O)N(CC(C)C)C2=O)sc(C)c1C
methyl 4,5-dimethyl-2-[[2-[3-(2-methylpropyl)-2,4,5-trioxoimidazolidin-1-yl]acetyl]amino]thiophene-3-carboxylate