Task: Answer the MCQ question.
Query: Which drug exhibits a 15.612\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) O=C1NC2(CCCCCC2)C(=O)N1Cc1ccccc1Cl
b) Cc1ccc(NC(=O)CSCCc2ccccn2)nc1
Answer: a. O=C1NC2(CCCCCC2)C(=O)N1Cc1ccccc1Cl
{#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=C1NC2(CCCCCC2)C(=O)N1Cc1ccccc1Cl
O=C1NC2(CCCCCC2)C(=O)N1Cc1ccccc1Cl
3-[(2-chlorophenyl)methyl]-1,3-diazaspiro[4.6]undecane-2,4-dione