Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -2.810\% 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 Cn1c(=O)cc(N)n(-c2ccccc2)c1=O
b Cn1c(CNC2CCCCC2)nc2ccccc21
c O=C(NNc1cc(Cl)ccc1Cl)c1cccnc1Cl
Answer: b. Cn1c(CNC2CCCCC2)nc2ccccc21
{#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#}
Cn1c(CNC2CCCCC2)nc2ccccc21
Cn1c(CNC2CCCCC2)nc2ccccc21
N-[(1-methylbenzimidazol-2-yl)methyl]cyclohexanamine