Task: Answer the multiple-choice question.
Question: Which compound exhibits a -3.388\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: CCOC(=O)c1cc2sccc2n1CC(=O)c1ccc2c(c1)OCCO2
b: COc1ccc(OC)c(CC(NC(C)=O)C(=O)NC2CCN(c3nnnn3-c3ccccc3)CC2)c1
c: Clc1cccc(CSc2ccc(-c3ccco3)nn2)c1
Answer: a. CCOC(=O)c1cc2sccc2n1CC(=O)c1ccc2c(c1)OCCO2
{#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#}
CCOC(=O)c1cc2sccc2n1CC(=O)c1ccc2c(c1)OCCO2
CCOC(=O)c1cc2sccc2n1CC(=O)c1ccc2c(c1)OCCO2
ethyl 4-[2-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-oxoethyl]thieno[3,2-b]pyrrole-5-carboxylate