Task: Answer the MCQ question.
Query: Which drug exhibits a 6.850\% 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: CCOC(=O)C(O)(c1cn(C)c2ccccc12)C(F)(F)F
b: COc1ccccc1N1CCN(Cc2ccccc2)CC1.O=C(O)C(=O)O
Answer: b. COc1ccccc1N1CCN(Cc2ccccc2)CC1.O=C(O)C(=O)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#}
COc1ccccc1N1CCN(Cc2ccccc2)CC1.O=C(O)C(=O)O
COc1ccccc1N1CCN(Cc2ccccc2)CC1.O=C(O)C(=O)O
1-benzyl-4-(2-methoxyphenyl)piperazine;oxalic acid