Task: Answer the multiple-choice question.
Question: Which compound exhibits a -0.338\% 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] COc1ccccc1NC(=O)Cn1c(=O)sc2ccccc21
[b] CCOC(=O)N/N=C/c1c(C)nn(-c2ccccc2Cl)c1Cl
[c] Cc1csc2nc(CSc3nncn3-c3ccccc3)c(Br)n12
[d] CCn1c2ccccc2c2c3ncc4cccn4c3ccc21
Answer: b. CCOC(=O)N/N=C/c1c(C)nn(-c2ccccc2Cl)c1Cl
{#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#}
CCOC(=O)N/N=C/c1c(C)nn(-c2ccccc2Cl)c1Cl
CCOC(=O)N/N=C/c1c(C)nn(-c2ccccc2Cl)c1Cl
ethyl N-[(E)-[5-chloro-1-(2-chlorophenyl)-3-methylpyrazol-4-yl]methylideneamino]carbamate