Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a -0.965\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: c1ccc2c(c1)nc1n2CCN1CCNC1CCCCC1
b: Cc1cc(C)nc(NC(=S)Nc2ccc(F)cc2F)c1
c: CC(NC(=O)C12CC3CC(C)(CC(C)(C3)C1)C2)c1ccncc1
d: CCOc1ccc(CCNC(=O)CCS(=O)(=O)c2ccc(Br)cc2)cc1OCC
Answer: a. c1ccc2c(c1)nc1n2CCN1CCNC1CCCCC1
{#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#}
c1ccc2c(c1)nc1n2CCN1CCNC1CCCCC1
c1ccc2c(c1)nc1n2CCN1CCNC1CCCCC1
N-[2-(1,2-dihydroimidazo[1,2-a]benzimidazol-3-yl)ethyl]cyclohexanamine