Task: Answer the multiple choice question.
Query: Which drug exhibits a -13.279\% 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 other words.
Options:
(a) O=C1C2CCCN2C(c2ccncc2)N1c1ccc(Cl)c(Cl)c1
(b) O=CNCCCc1nc2ccccc2n1Cc1cccc2ccccc12
(c) COc1cc(/C=C2\SC(=Nc3ccc(O)cc3)NC2=O)cc(OC)c1OC
(d) Cc1c2cnn(CC(=O)N3CCC4(CC3)OCCO4)c(=O)c2c(C)n1Cc1ccc(F)cc1
(e) O=C1OCC2=C1C(c1ccccc1)CC(=O)N2c1ccccc1
Answer: b. O=CNCCCc1nc2ccccc2n1Cc1cccc2ccccc12
{#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=CNCCCc1nc2ccccc2n1Cc1cccc2ccccc12
O=CNCCCc1nc2ccccc2n1Cc1cccc2ccccc12
N-[3-[1-(naphthalen-1-ylmethyl)benzimidazol-2-yl]propyl]formamide