Problem statement: Answer the MCQ question.
Query: Which drug has a 12.638\% 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) c1ccc(CC2CCN(Cc3nc(-c4ccccc4)no3)CC2)cc1
(b) COc1ccc(OC)c(NC(=S)NC(=O)c2ccc(Br)o2)c1
Answer: b. COc1ccc(OC)c(NC(=S)NC(=O)c2ccc(Br)o2)c1
{#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(OC)c(NC(=S)NC(=O)c2ccc(Br)o2)c1
COc1ccc(OC)c(NC(=S)NC(=O)c2ccc(Br)o2)c1
5-bromo-N-[(2,5-dimethoxyphenyl)carbamothioyl]furan-2-carboxamide