Task: Answer the multiple choice question.
Question: Which compound exhibits a 2.415\% 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(NC1CCCC1)c1cc2nc(-c3ccccc3)cc(-c3ccccc3)n2n1
[b] O=C(COc1ccccc1F)NCC(c1ccc(F)cc1)N1CCOCC1
Answer: b. O=C(COc1ccccc1F)NCC(c1ccc(F)cc1)N1CCOCC1
{#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(COc1ccccc1F)NCC(c1ccc(F)cc1)N1CCOCC1
O=C(COc1ccccc1F)NCC(c1ccc(F)cc1)N1CCOCC1
2-(2-fluorophenoxy)-N-[2-(4-fluorophenyl)-2-morpholin-4-ylethyl]acetamide