Task: Answer the MCQ question.
Query: Which drug exhibits a -14.300\% 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] COc1cccc(CN2CCN(Cc3cc4ccccc4[nH]3)CC2CCO)c1
[b] CC(C)C[C@H](NC(=O)c1nc[nH]c1C(=O)NCc1ccccc1)C(=O)OCc1ccccc1
Answer: a. COc1cccc(CN2CCN(Cc3cc4ccccc4[nH]3)CC2CCO)c1
{#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#}
COc1cccc(CN2CCN(Cc3cc4ccccc4[nH]3)CC2CCO)c1
COc1cccc(CN2CCN(Cc3cc4ccccc4[nH]3)CC2CCO)c1
2-[4-(1H-indol-2-ylmethyl)-1-[(3-methoxyphenyl)methyl]piperazin-2-yl]ethanol