Task: Answer the multiple-choice question.
Question: Which drug exhibits a 8.533\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] COCCCn1c(=O)c2sccc2n(Cc2ccccc2C)c1=O
[b] CN1CCN(c2ccccc2NC(=O)c2sc3ccccc3c2Cl)CC1
[c] Cc1ccc(/C=N/NC(=O)C[n+]2ccccc2)s1.[Cl-]
[d] O=C(O)C1CCC(N2C(=O)c3c(Cl)c(Cl)c(Cl)c(Cl)c3C2=O)CC1
Answer: b. CN1CCN(c2ccccc2NC(=O)c2sc3ccccc3c2Cl)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(c2ccccc2NC(=O)c2sc3ccccc3c2Cl)CC1
CN1CCN(c2ccccc2NC(=O)c2sc3ccccc3c2Cl)CC1
3-chloro-N-[2-(4-methylpiperazin-1-yl)phenyl]-1-benzothiophene-2-carboxamide