Task: Answer the multiple-choice question.
Query: Which drug exhibits a -23.384\% 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] COc1ccc(CC(NC(C)=O)C(=O)NC2CCN(C(=O)c3ccccc3F)CC2)cc1
[b] CCN1c2ccccc2-c2nc3ccccc3n2C1c1ccccn1
[c] O=C(Cn1cccc1)N1CCc2ccccc21
[d] COc1ccc(-c2ccc3oc(-c4ccsc4)c(-c4ccc(OC)cc4)c3c2)cc1
[e] CCOC(=O)N1CCc2c(sc3ncn(C)c(=O)c23)C1
Answer: b. CCN1c2ccccc2-c2nc3ccccc3n2C1c1ccccn1
{#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#}
CCN1c2ccccc2-c2nc3ccccc3n2C1c1ccccn1
CCN1c2ccccc2-c2nc3ccccc3n2C1c1ccccn1
5-ethyl-6-pyridin-2-yl-6H-benzimidazolo[1,2-c]quinazoline