Task: Answer the MCQ question.
Question: Which drug exhibits a -4.348\% 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) COc1ccc(Cl)cc1-c1nc(N)nc(N(C)C)n1
b) O=C(COc1ccc(Cl)cc1[N+](=O)[O-])N1CCCCCC1
Answer: a. COc1ccc(Cl)cc1-c1nc(N)nc(N(C)C)n1
{#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#}
COc1ccc(Cl)cc1-c1nc(N)nc(N(C)C)n1
COc1ccc(Cl)cc1-c1nc(N)nc(N(C)C)n1
6-(5-chloro-2-methoxyphenyl)-2-N,2-N-dimethyl-1,3,5-triazine-2,4-diamine