Task: Answer the multiple-choice question.
Query: Which drug exhibits a -5.777\% 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.) CCN(CC)CCNC(=O)COc1ccc(Cl)cc1Cl
b.) O=S(=O)(c1ccc(S(=O)(=O)N2CCCC3(CCCCC3)C2)cc1)N1CCCCC1
Answer: a. CCN(CC)CCNC(=O)COc1ccc(Cl)cc1Cl
{#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#}
CCN(CC)CCNC(=O)COc1ccc(Cl)cc1Cl
CCN(CC)CCNC(=O)COc1ccc(Cl)cc1Cl
2-(2,4-dichlorophenoxy)-N-[2-(diethylamino)ethyl]acetamide