Task: Answer the multiple choice question.
Question: Which compound exhibits a 9.953\% human ether-à-go-go related gene (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)CC2(CC(C)(C)NC(=O)N2)NC(=O)N1
b CCN1CCCC1CNC(=O)Cn1cccc1C(=O)c1ccccc1C
Answer: a. CC1(C)CC2(CC(C)(C)NC(=O)N2)NC(=O)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#}
CC1(C)CC2(CC(C)(C)NC(=O)N2)NC(=O)N1
CC1(C)CC2(CC(C)(C)NC(=O)N2)NC(=O)N1
4,4,10,10-tetramethyl-1,3,7,9-tetrazaspiro[5.5]undecane-2,8-dione