Task: Answer the multiple choice question.
Query: Which compound exhibits a 1.280\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CC(=O)NCc1ccc(S(=O)(=O)NC(C)CCc2ccccc2)cc1
b. O=C(NC1CCCC1)c1cccc(S(=O)(=O)N2CCCCC2)c1
Answer: b. O=C(NC1CCCC1)c1cccc(S(=O)(=O)N2CCCCC2)c1
{#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#}
O=C(NC1CCCC1)c1cccc(S(=O)(=O)N2CCCCC2)c1
O=C(NC1CCCC1)c1cccc(S(=O)(=O)N2CCCCC2)c1
N-cyclopentyl-3-piperidin-1-ylsulfonylbenzamide