Task: Answer the multiple-choice question.
Query: Which drug has a -1.372\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CC(=NCCc1ccccc1)C1=C(O)CCC1=O
(b) COc1ccc(C2CC(=O)N(C)c3ccccc3S2)cc1OC
Answer: a. CC(=NCCc1ccccc1)C1=C(O)CCC1=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#}
CC(=NCCc1ccccc1)C1=C(O)CCC1=O
CC(=NCCc1ccccc1)C1=C(O)CCC1=O
3-hydroxy-2-[C-methyl-N-(2-phenylethyl)carbonimidoyl]cyclopent-2-en-1-one