Problem statement: Answer the multiple-choice question.
Query: Which compound has a 4.397\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) COc1ccccc1-c1nnc(-c2ccc(F)cc2)o1
(b) COc1ccccc1NC(=S)N1CC(C)OC(C)C1
(c) C=CCSc1nnc(-c2cc3c(-c4ccccc4)nn(C)c3s2)n1C
(d) CCCOn1nnnc1-c1ccccc1
Answer: a. COc1ccccc1-c1nnc(-c2ccc(F)cc2)o1
{#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#}
COc1ccccc1-c1nnc(-c2ccc(F)cc2)o1
COc1ccccc1-c1nnc(-c2ccc(F)cc2)o1
2-(4-fluorophenyl)-5-(2-methoxyphenyl)-1,3,4-oxadiazole