Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 1.954\% 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 O=C(NC1CCCC1)C1CCCN1C(=O)Nc1ccccc1Cl
b Cc1cc(=O)[nH]c2c1cnn2C(C)c1ccccc1
Answer: a. O=C(NC1CCCC1)C1CCCN1C(=O)Nc1ccccc1Cl
{#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)C1CCCN1C(=O)Nc1ccccc1Cl
O=C(NC1CCCC1)C1CCCN1C(=O)Nc1ccccc1Cl
1-N-(2-chlorophenyl)-2-N-cyclopentylpyrrolidine-1,2-dicarboxamide