Task: Answer the multiple-choice question.
Query: Which drug exhibits a 19.091\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] COC(=O)c1ccccc1NS(=O)(=O)c1ccc2c(c1)oc(=O)n2C
[b] CN1CCN(C(=O)c2cccn(Cc3ccc(C(F)(F)F)cc3)c2=O)CC1
[c] N#Cc1ccccc1OCC(=O)Nc1cccc(S(=O)(=O)N2CCCCCC2)c1
[d] Cc1nn(C)cc1CNC(=O)c1cccc(F)c1
Answer: b. CN1CCN(C(=O)c2cccn(Cc3ccc(C(F)(F)F)cc3)c2=O)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#}
CN1CCN(C(=O)c2cccn(Cc3ccc(C(F)(F)F)cc3)c2=O)CC1
CN1CCN(C(=O)c2cccn(Cc3ccc(C(F)(F)F)cc3)c2=O)CC1
3-(4-methylpiperazine-1-carbonyl)-1-[[4-(trifluoromethyl)phenyl]methyl]pyridin-2-one