Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a -0.787\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CCOc1ccccc1C(=O)Nc1ccc(S(=O)(=O)N2CCN(C)CC2)cc1
[b] CCOc1ccc2[nH]c3c(NCCc4ccc(OC)c(OC)c4)ncnc3c2c1
Answer: b. CCOc1ccc2[nH]c3c(NCCc4ccc(OC)c(OC)c4)ncnc3c2c1
{#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#}
CCOc1ccc2[nH]c3c(NCCc4ccc(OC)c(OC)c4)ncnc3c2c1
CCOc1ccc2[nH]c3c(NCCc4ccc(OC)c(OC)c4)ncnc3c2c1
N-[2-(3,4-dimethoxyphenyl)ethyl]-8-ethoxy-5H-pyrimido[5,4-b]indol-4-amine