Problem statement: Answer the multiple choice question.
Question: Which drug has a 18.613\% human ether-à-go-go related gene (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(C)(C)OC(=O)N1CCN(C(=O)OCC2c3ccccc3-c3ccccc32)CC1C(=O)O
(b) C=CCN1C(=O)C(Cc2cccc(C)c2)SC1=Nc1ccc(C(=O)O)cc1
Answer: a. CC(C)(C)OC(=O)N1CCN(C(=O)OCC2c3ccccc3-c3ccccc32)CC1C(=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#}
CC(C)(C)OC(=O)N1CCN(C(=O)OCC2c3ccccc3-c3ccccc32)CC1C(=O)O
CC(C)(C)OC(=O)N1CCN(C(=O)OCC2c3ccccc3-c3ccccc32)CC1C(=O)O
4-(9H-fluoren-9-ylmethoxycarbonyl)-1-[(2-methylpropan-2-yl)oxycarbonyl]piperazine-2-carboxylic acid