Problem statement: Answer the MCQ question.
Query: Which drug has a 3.990\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COc1cccc(CN2CCN(C(=O)Cc3ccccc3OC)CC2)c1
[b] COc1ccccc1C(CNC(=O)C(C)Oc1ccc(Br)cc1)N1CCCC1
Answer: b. COc1ccccc1C(CNC(=O)C(C)Oc1ccc(Br)cc1)N1CCCC1
{#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#}
COc1ccccc1C(CNC(=O)C(C)Oc1ccc(Br)cc1)N1CCCC1
COc1ccccc1C(CNC(=O)C(C)Oc1ccc(Br)cc1)N1CCCC1
2-(4-bromophenoxy)-N-[2-(2-methoxyphenyl)-2-pyrrolidin-1-ylethyl]propanamide