Task: Answer the multiple choice question.
Query: Which drug exhibits a 15.855\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: O=c1[nH]c(-c2ccccc2)cnc1-c1ccccc1
b: C#CCOCCOCCOCCNc1nc(N2CCN(C(=O)[C@H](Cc3ccc(O)cc3)n3cc([C@@H](N)C(C)CC)nn3)CC2)nc(N2CCN(C(=O)[C@H](CCCCN)n3cc([C@@H](N)CO)nn3)CC2)n1.Cl
c: CC(=O)N1CCN(Cc2nc3ccc(Cl)cc3n2CCO)CC1
d: COc1cccc(NC(=O)CN(C)C(=O)c2cc(-c3cccc(Br)c3)nc3ccccc23)c1
e: COC(=O)C(CO)NC(=O)C1CCCN1C(=O)CNC(=O)OCc1ccccc1
Answer: c. CC(=O)N1CCN(Cc2nc3ccc(Cl)cc3n2CCO)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#}
CC(=O)N1CCN(Cc2nc3ccc(Cl)cc3n2CCO)CC1
CC(=O)N1CCN(Cc2nc3ccc(Cl)cc3n2CCO)CC1
1-[4-[[6-chloro-1-(2-hydroxyethyl)benzimidazol-2-yl]methyl]piperazin-1-yl]ethanone