Task: Answer the multiple-choice question.
Question: Which drug exhibits a 3.961\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CN(Cc1ccncc1)C1CC(=O)N(c2ccc(Cl)cc2)C1=O
b. CCOc1ccc(NC(=O)CC(Cc2cc(C)cc(C)c2)C(=O)O)cc1
Answer: b. CCOc1ccc(NC(=O)CC(Cc2cc(C)cc(C)c2)C(=O)O)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#}
CCOc1ccc(NC(=O)CC(Cc2cc(C)cc(C)c2)C(=O)O)cc1
CCOc1ccc(NC(=O)CC(Cc2cc(C)cc(C)c2)C(=O)O)cc1
2-[(3,5-dimethylphenyl)methyl]-4-(4-ethoxyanilino)-4-oxobutanoic acid