Task: Answer the multiple choice question.
Question: Which compound exhibits a -1.316\% 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] CCOC(=O)c1ccc(NC(=O)CSc2nnc(-c3cccs3)n2C)cc1
[b] CN(C(=O)Cn1cnc2sccc2c1=O)C1CCCCC1
[c] Cc1cc(NC(=O)Nc2ccc(Cl)cc2)n(-c2ccccc2)n1
[d] CC(C)Oc1ccc(Oc2ccc(C(F)(F)F)cn2)cc1
Answer: b. CN(C(=O)Cn1cnc2sccc2c1=O)C1CCCCC1
{#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#}
CN(C(=O)Cn1cnc2sccc2c1=O)C1CCCCC1
CN(C(=O)Cn1cnc2sccc2c1=O)C1CCCCC1
N-cyclohexyl-N-methyl-2-(4-oxothieno[2,3-d]pyrimidin-3-yl)acetamide