Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 4.138\% 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] COc1ccc(C)cc1S(=O)(=O)NC1CCCCC1
[b] CCC(CC)NC(=O)COC(=O)CCC(=O)c1ccc(Cl)cc1
Answer: b. CCC(CC)NC(=O)COC(=O)CCC(=O)c1ccc(Cl)cc1
{#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#}
CCC(CC)NC(=O)COC(=O)CCC(=O)c1ccc(Cl)cc1
CCC(CC)NC(=O)COC(=O)CCC(=O)c1ccc(Cl)cc1
2-[4-(4-chlorophenyl)-1,4-dioxobutoxy]-N-pentan-3-ylacetamide