Task: Answer the multiple-choice question.
Query: Which drug exhibits a 4.599\% 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] CCOC(=O)c1c(NC(=O)C(C)N2CCN(S(=O)(=O)c3cccs3)CC2)sc2c1CCC(C)C2
[b] O=C(NC1=NCCS1)C1CC(=O)N(c2ccccc2)C1
Answer: b. O=C(NC1=NCCS1)C1CC(=O)N(c2ccccc2)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#}
O=C(NC1=NCCS1)C1CC(=O)N(c2ccccc2)C1
O=C(NC1=NCCS1)C1CC(=O)N(c2ccccc2)C1
N-(4,5-dihydro-1,3-thiazol-2-yl)-5-oxo-1-phenylpyrrolidine-3-carboxamide