Task: Answer the multiple-choice question.
Question: Which drug exhibits a 13.354\% 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. Cc1cc(NC(=O)c2c(F)cccc2Cl)n(-c2nc3ccccc3[nH]2)n1
b. O=C(c1cnn2c(C(F)(F)F)cc(-c3cccs3)nc12)N1CCN(C(c2ccccc2)c2ccccc2)CC1
Answer: b. O=C(c1cnn2c(C(F)(F)F)cc(-c3cccs3)nc12)N1CCN(C(c2ccccc2)c2ccccc2)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#}
O=C(c1cnn2c(C(F)(F)F)cc(-c3cccs3)nc12)N1CCN(C(c2ccccc2)c2ccccc2)CC1
O=C(c1cnn2c(C(F)(F)F)cc(-c3cccs3)nc12)N1CCN(C(c2ccccc2)c2ccccc2)CC1
(4-benzhydrylpiperazin-1-yl)-[5-thiophen-2-yl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidin-3-yl]methanone