Task: Answer the multiple-choice question.
Query: Which drug exhibits a 0.187\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a.) COc1cccc(OC)c1OCCNCC1CSc2ccccc2O1.Cl
b.) CN1c2ccccc2-c2nc3ccccc3n2C1c1ccncc1
c.) CNC(=O)C1CC(=O)N(CCc2ccc(OC)cc2)C(=Nc2ccc(OC)cc2)S1
Answer: b. CN1c2ccccc2-c2nc3ccccc3n2C1c1ccncc1
{#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#}
CN1c2ccccc2-c2nc3ccccc3n2C1c1ccncc1
CN1c2ccccc2-c2nc3ccccc3n2C1c1ccncc1
5-methyl-6-pyridin-4-yl-6H-benzimidazolo[1,2-c]quinazoline