Task: Answer the multiple-choice question.
Query: Which drug has a 3.712\% 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] COc1ccc2cc3cc(C(=O)NCC4CCCO4)oc3nc2c1
[b] CCOc1ccc(NC(=O)c2cccnc2Cl)c([N+](=O)[O-])c1
Answer: b. CCOc1ccc(NC(=O)c2cccnc2Cl)c([N+](=O)[O-])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#}
CCOc1ccc(NC(=O)c2cccnc2Cl)c([N+](=O)[O-])c1
CCOc1ccc(NC(=O)c2cccnc2Cl)c([N+](=O)[O-])c1
2-chloro-N-(4-ethoxy-2-nitrophenyl)pyridine-3-carboxamide