Task: Answer the multiple-choice question.
Question: Which compound exhibits a -18.480% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: O=C(O)c1ccc(N2C(=O)CC(N3CCC(c4nc5ccccc5[nH]4)CC3)C2=O)cc1
b: CCNc1nc(Cl)nc(NCCOc2ccc(C)cc2)n1
Answer: b. CCNc1nc(Cl)nc(NCCOc2ccc(C)cc2)n1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCNc1nc(Cl)nc(NCCOc2ccc(C)cc2)n1
CCNc1nc(Cl)nc(NCCOc2ccc(C)cc2)n1
6-chloro-4-N-ethyl-2-N-[2-(4-methylphenoxy)ethyl]-1,3,5-triazine-2,4-diamine