Task: Answer the multiple-choice question.
Question: Which compound has a 6.066\% 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) CCN(/C(N)=N/c1nc(C)cc(C)n1)c1ccccc1
(b) COc1ccccc1OCCNC(=O)CN1C(=O)NC2(CCCCC2)C1=O
Answer: a. CCN(/C(N)=N/c1nc(C)cc(C)n1)c1ccccc1
{#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(/C(N)=N/c1nc(C)cc(C)n1)c1ccccc1
CCN(/C(N)=N/c1nc(C)cc(C)n1)c1ccccc1
2-(4,6-dimethylpyrimidin-2-yl)-1-ethyl-1-phenylguanidine