Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 16.078\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] CNC(=O)c1cc2cccc(OC)c2oc1=O
[b] CN1CCN(CC#CCC2(O)c3ccccc3-c3ccccc32)CC1
[c] O=C(CSc1nnc(Cc2cc(=O)[nH]c(=O)[nH]2)n1-c1ccc(Cl)cc1)N1CCc2ccccc21
[d] COc1ccc(CN(C)C(=O)CCN=C2NS(=O)(=O)c3ccccc32)c(OC)c1
Answer: b. CN1CCN(CC#CCC2(O)c3ccccc3-c3ccccc32)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#}
CN1CCN(CC#CCC2(O)c3ccccc3-c3ccccc32)CC1
CN1CCN(CC#CCC2(O)c3ccccc3-c3ccccc32)CC1
9-[4-(4-methylpiperazin-1-yl)but-2-ynyl]fluoren-9-ol