Task: Answer the multiple-choice question.
Question: Which drug exhibits a 4.252\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) Cc1ccc(OCc2cc(C(=O)N(C)CC3CCOCC3)no2)cc1C
(b) CCC(=O)Nc1nc(OC)cc(OC)n1
(c) COc1cccc(CNC(=O)CSc2nc(=O)n(Cc3ccncc3)c3c2CCC3)c1
Answer: b. CCC(=O)Nc1nc(OC)cc(OC)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#}
CCC(=O)Nc1nc(OC)cc(OC)n1
CCC(=O)Nc1nc(OC)cc(OC)n1
N-(4,6-dimethoxypyrimidin-2-yl)propanamide