Task: Answer the multiple-choice question.
Question: Which drug exhibits a 17.784\% 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) CC1(C)CC(NC(=O)CCC2CCCC2)CC(C)(C)N1
(b) Cc1ccc(CNC(=O)CS(=O)(=O)CC(=O)O)cc1
Answer: b. Cc1ccc(CNC(=O)CS(=O)(=O)CC(=O)O)cc1
{#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-[2-[(4-methylphenyl)methylamino]-2-oxoethyl]sulfonylaceticacid