Task: Answer the multiple-choice question.
Question: Which drug exhibits a -66.959\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a Cc1cc(C)c(S(=O)(=O)N2CCCOC2CNC(=O)C(=O)NCc2cccnc2)c(C)c1
b Cn1c(CCN2CCN(c3ccccn3)CC2)nc2cc(NC(=O)COc3ccccc3)ccc21
c COCc1cc(=O)n2[nH]c(N)nc2n1
d O=C(Cc1c(Cl)cccc1Cl)Nc1cccnc1
e COc1ccccc1NC(=O)CCN1CC(C)OC(C)C1.Cl
Answer: b. Cn1c(CCN2CCN(c3ccccn3)CC2)nc2cc(NC(=O)COc3ccccc3)ccc21
{#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#}
Cn1c(CCN2CCN(c3ccccn3)CC2)nc2cc(NC(=O)COc3ccccc3)ccc21
Cn1c(CCN2CCN(c3ccccn3)CC2)nc2cc(NC(=O)COc3ccccc3)ccc21
N-[1-methyl-2-[2-(4-pyridin-2-ylpiperazin-1-yl)ethyl]benzimidazol-5-yl]-2-phenoxyacetamide