Task: Answer the multiple-choice question.
Query: Which compound exhibits a 0.128\% 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.) CCOC(=O)C1(CCOC)CCN(Cc2ccc3nonc3c2)CC1
b.) O=C(CSc1nnc(-c2ccc(F)cc2)o1)N1CCCC1
Answer: b. O=C(CSc1nnc(-c2ccc(F)cc2)o1)N1CCCC1
{#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=C(CSc1nnc(-c2ccc(F)cc2)o1)N1CCCC1
O=C(CSc1nnc(-c2ccc(F)cc2)o1)N1CCCC1
2-[[5-(4-fluorophenyl)-1,3,4-oxadiazol-2-yl]sulfanyl]-1-pyrrolidin-1-ylethanone