Task: Answer the multiple choice question.
Query: Which compound exhibits a 8.429\% 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 other words.
Options:
[a] Cc1cccc(OCC(=O)NCc2ccncc2)c1C
[b] CNC(=O)NC(=O)Cn1cnc2sc(-c3ccccc3)cc2c1=O
[c] COc1ccc(-c2nc(CS(=O)CC(=O)NCc3cccnc3)c(C)o2)cc1
[d] CC(C)(C)NC(=O)CSc1nnc(-c2ccncc2)o1
Answer: b. CNC(=O)NC(=O)Cn1cnc2sc(-c3ccccc3)cc2c1=O
{#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#}
CNC(=O)NC(=O)Cn1cnc2sc(-c3ccccc3)cc2c1=O
CNC(=O)NC(=O)Cn1cnc2sc(-c3ccccc3)cc2c1=O
N-(methylcarbamoyl)-2-(4-oxo-6-phenylthieno[2,3-d]pyrimidin-3-yl)acetamide