Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 13.507\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Fc1ccc(-c2nc3cnccn3c2NC2CCCC2)cc1
(b) CCOc1ccccc1Nc1nnc(SCC(=O)NC(=O)c2cccn2C)s1
Answer: a. Fc1ccc(-c2nc3cnccn3c2NC2CCCC2)cc1
{#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#}
Fc1ccc(-c2nc3cnccn3c2NC2CCCC2)cc1
Fc1ccc(-c2nc3cnccn3c2NC2CCCC2)cc1
N-cyclopentyl-2-(4-fluorophenyl)imidazo[1,2-a]pyrazin-3-amine