Task: Answer the MCQ question.
Question: Which compound exhibits a -0.429\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) CCN(Cc1ccccc1)C(c1cc2cc(C)cc(C)c2[nH]c1=O)c1nnnn1CCOC
(b) CCNc1nc(NC(C)C)nc(OCC)n1
(c) O=C(CCc1ccccc1)NNc1cc(N2CCCCC2)nc(N2CCCCC2)n1
(d) COCN(C#N)c1nc(OC)nc(OC)n1
(e) COc1cc(C2C(C(C)=O)=C(O)C(=O)N2CCc2c[nH]c3ccccc23)ccc1O
Answer: b. CCNc1nc(NC(C)C)nc(OCC)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#}
CCNc1nc(NC(C)C)nc(OCC)n1
CCNc1nc(NC(C)C)nc(OCC)n1
6-ethoxy-4-N-ethyl-2-N-propan-2-yl-1,3,5-triazine-2,4-diamine