Task: Answer the multiple choice question.
Query: Which drug exhibits a 16.386\% 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) CCc1nc(SCC(=O)NC2CCCC2)c2oc3ccccc3c2n1
(b) Cc1ccc(N=C2NC(=O)CC(C(=O)Nc3ccc4c(c3)OCO4)S2)cc1
Answer: a. CCc1nc(SCC(=O)NC2CCCC2)c2oc3ccccc3c2n1
{#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#}
CCc1nc(SCC(=O)NC2CCCC2)c2oc3ccccc3c2n1
CCc1nc(SCC(=O)NC2CCCC2)c2oc3ccccc3c2n1
N-cyclopentyl-2-[(2-ethyl-[1]benzofuro[3,2-d]pyrimidin-4-yl)sulfanyl]acetamide