Task: Answer the multiple choice question.
Question: Which compound has a 13.655\% 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 other words.
Options:
[a] CCn1cc([N+](=O)[O-])c(C(=O)N2N=C(c3ccc(OC)cc3OC)CC2c2ccccc2O)n1
[b] COC(=O)c1ccc(CN(C(=O)N2CCN(C)CC2)S(=O)(=O)c2ccc(C)cc2)cc1
[c] Nn1c(SCC(=O)N2CCOCC2)nnc1-c1ccccc1Cl
[d] COc1ccccc1Nc1nc2nonc2nc1N1CCCCC1C
Answer: d. COc1ccccc1Nc1nc2nonc2nc1N1CCCCC1C
{#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#}
COc1ccccc1Nc1nc2nonc2nc1N1CCCCC1C
COc1ccccc1Nc1nc2nonc2nc1N1CCCCC1C
N-(2-methoxyphenyl)-5-(2-methylpiperidin-1-yl)-[1,2,5]oxadiazolo[3,4-b]pyrazin-6-amine