Task: Answer the multiple choice question.
Question: Which compound has a -1.087\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CCc1sc(C(=O)Nc2ccccc2N2CCOCC2)cc1C
b CCOC(=O)c1[nH]c2ccccc2c1NC(=O)c1ccc(S(=O)(=O)N2CCOCC2)cc1
Answer: a. CCc1sc(C(=O)Nc2ccccc2N2CCOCC2)cc1C
{#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#}
CCc1sc(C(=O)Nc2ccccc2N2CCOCC2)cc1C
CCc1sc(C(=O)Nc2ccccc2N2CCOCC2)cc1C
5-ethyl-4-methyl-N-(2-morpholin-4-ylphenyl)thiophene-2-carboxamide