Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -1.374\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: COc1ccc(Nc2cc(C(=O)NCCCN3CCN(C)CC3)c3ccccc3n2)c(OC)c1
b: CCn1c(C(O)c2ccc(C)cc2)nc2ccccc21
c: COc1ccccc1CC(=O)Nc1ccccc1C(=O)O
Answer: b. CCn1c(C(O)c2ccc(C)cc2)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#}
CCn1c(C(O)c2ccc(C)cc2)nc2ccccc21
CCn1c(C(O)c2ccc(C)cc2)nc2ccccc21
(1-ethylbenzimidazol-2-yl)-(4-methylphenyl)methanol