Task: Answer the MCQ question.
Query: Which drug exhibits a 0.295\% 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 O=C(NN=C1CCCC1)NC1CCCCC1
b CCc1ccc(N2C(=O)Nc3ccccc3C2(O)C(=O)N2CCN(c3ccccn3)CC2)cc1
c Cc1c(NC(=O)COC(=O)Cc2ccc(F)cc2)c(=O)n(-c2ccccc2)n1C
Answer: a. O=C(NN=C1CCCC1)NC1CCCCC1
{#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(NN=C1CCCC1)NC1CCCCC1
O=C(NN=C1CCCC1)NC1CCCCC1
1-cyclohexyl-3-(cyclopentylideneamino)urea