Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 14.222\% 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. O=C(Cn1cnc2ccccc21)c1ccc(Cl)cc1
b. O=[N+]([O-])c1cccc(C(=Nc2cccc(Cl)c2)NO)c1
c. Nc1nc(-c2ccc3c(c2)NC(=O)CO3)cs1
d. CCCC1(CCC)NC(=O)N(CC(=O)Nc2ccccc2OC)C1=O
Answer: a. O=C(Cn1cnc2ccccc21)c1ccc(Cl)cc1
{#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(Cn1cnc2ccccc21)c1ccc(Cl)cc1
O=C(Cn1cnc2ccccc21)c1ccc(Cl)cc1
2-(benzimidazol-1-yl)-1-(4-chlorophenyl)ethanone