Task: Answer the MCQ question.
Query: Which drug has a 26.531\% 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) CC(Sc1nc2ccccc2s1)C(=O)c1c(N)n(C)c(=O)n(C)c1=O
(b) O=C1CN(C(=O)c2ccc(F)c(S(=O)(=O)N3CCOCC3)c2)c2ccccc2N1
Answer: b. O=C1CN(C(=O)c2ccc(F)c(S(=O)(=O)N3CCOCC3)c2)c2ccccc2N1
{#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=C1CN(C(=O)c2ccc(F)c(S(=O)(=O)N3CCOCC3)c2)c2ccccc2N1
O=C1CN(C(=O)c2ccc(F)c(S(=O)(=O)N3CCOCC3)c2)c2ccccc2N1
4-(4-fluoro-3-morpholin-4-ylsulfonylbenzoyl)-1,3-dihydroquinoxalin-2-one