Task: Answer the multiple-choice question.
Question: Which drug has a 3.128\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] Cc1[nH]nc(Nc2ccc(C(C)C)cc2)c1[N+](=O)[O-]
[b] CCOc1nc(NCCc2ccc(OC)c(OC)c2)nc(N2CCN(c3ccc(OC)cc3)CC2)n1
[c] COc1cc(/C=C/C(=O)c2ccc3c(c2)OCCO3)cc(Br)c1OCC(=O)N(C)C
Answer: b. CCOc1nc(NCCc2ccc(OC)c(OC)c2)nc(N2CCN(c3ccc(OC)cc3)CC2)n1
{#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#}
CCOc1nc(NCCc2ccc(OC)c(OC)c2)nc(N2CCN(c3ccc(OC)cc3)CC2)n1
CCOc1nc(NCCc2ccc(OC)c(OC)c2)nc(N2CCN(c3ccc(OC)cc3)CC2)n1
N-[2-(3,4-dimethoxyphenyl)ethyl]-4-ethoxy-6-[4-(4-methoxyphenyl)piperazin-1-yl]-1,3,5-triazin-2-amine