Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a -39.781\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] CCOc1ccc2nc(N3CCC(C(=O)NC4CCCCC4)CC3)sc2c1
[b] CCN1CCN(CCCOc2ccc(-c3ccccc3)cc2)CC1
[c] O=C(COC(=O)c1cccnc1Nc1ccccc1F)NCc1ccc2c(c1)OCO2
Answer: b. CCN1CCN(CCCOc2ccc(-c3ccccc3)cc2)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#}
CCN1CCN(CCCOc2ccc(-c3ccccc3)cc2)CC1
CCN1CCN(CCCOc2ccc(-c3ccccc3)cc2)CC1
1-ethyl-4-[3-(4-phenylphenoxy)propyl]piperazine