Task: Answer the multiple-choice question.
Question: Which compound exhibits a -2.263\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCCN(CC(=O)Nc1ccccc1C)C(=O)c1ccc2[nH]c3c(c2c1)CC(C)CC3
[b] Cn1c(N/N=C/c2cccs2)nc2c1c(=O)n(Cc1ccccc1)c(=O)n2C
Answer: b. Cn1c(N/N=C/c2cccs2)nc2c1c(=O)n(Cc1ccccc1)c(=O)n2C
{#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(N/N=C/c2cccs2)nc2c1c(=O)n(Cc1ccccc1)c(=O)n2C
Cn1c(N/N=C/c2cccs2)nc2c1c(=O)n(Cc1ccccc1)c(=O)n2C
1-benzyl-3,7-dimethyl-8-[(2E)-2-(thiophen-2-ylmethylidene)hydrazinyl]purine-2,6-dione