Task: Answer the multiple-choice question.
Query: Which compound exhibits a 17.405\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CCCCCOc1ccc(C)cc1CN(CCCl)CCCl.Cl
b COc1ccc(C2C(C(=O)c3sc(C)nc3C)=C(O)C(=O)N2CCN(C)C)cc1OC
Answer: b. COc1ccc(C2C(C(=O)c3sc(C)nc3C)=C(O)C(=O)N2CCN(C)C)cc1OC
{#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#}
2-(3,4-dimethoxyphenyl)-1-[2-(dimethylamino)ethyl]-3-(2,4-dimethyl-1,3-thiazole-5-carbonyl)-4-hydroxy-2H-pyrrol-5-one