Task: Answer the multiple-choice question.
Question: Which drug has a 18.438\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) Cc1nc(C)c(C(=O)Nc2ccccc2)s1
(b) COc1ccc(NC(=O)c2cncn2-c2ccccc2)cc1
(c) CC(=O)Nc1cccc(NC(=O)CSc2ncc(C(=O)Nc3ccc(F)cc3)c(=O)n2C)c1
(d) COc1cc(OC)c(C(=O)OCN2C(=O)c3ccccc3C2=O)cc1OC
Answer: b. COc1ccc(NC(=O)c2cncn2-c2ccccc2)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#}
COc1ccc(NC(=O)c2cncn2-c2ccccc2)cc1
COc1ccc(NC(=O)c2cncn2-c2ccccc2)cc1
N-(4-methoxyphenyl)-3-phenylimidazole-4-carboxamide