Task: Answer the multiple choice question.
Query: Which drug exhibits a 5.370\% 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(Nc1ccc(Cl)cn1)c1ccccc1F
(b) CCNC(=O)CN(C1CCCCC1)S(=O)(=O)c1ccc(F)cc1
Answer: b. CCNC(=O)CN(C1CCCCC1)S(=O)(=O)c1ccc(F)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#}
CCNC(=O)CN(C1CCCCC1)S(=O)(=O)c1ccc(F)cc1
CCNC(=O)CN(C1CCCCC1)S(=O)(=O)c1ccc(F)cc1
2-[cyclohexyl-(4-fluorophenyl)sulfonylamino]-N-ethylacetamide