Task: Answer the MCQ question.
Question: Which drug exhibits a 12.890\% 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 other words.
Options:
(a) O=c1[nH]c(=O)n(Cc2ccccc2)c2nc(-c3ccco3)cc(C(F)(F)F)c12
(b) Cc1cccc(C(=O)Nc2ccc(N3CCN(c4ccc(C(F)(F)F)cn4)CC3)nc2)c1
(c) C/C(N)=C(/C#N)C(=O)CSc1nc(-c2ccccc2)c(-c2ccccc2)o1
(d) CCOc1ccc(S(=O)(=O)N2CCN(CC)CC2)cc1NC(=O)c1ccccc1F
Answer: b. Cc1cccc(C(=O)Nc2ccc(N3CCN(c4ccc(C(F)(F)F)cn4)CC3)nc2)c1
{#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#}
Cc1cccc(C(=O)Nc2ccc(N3CCN(c4ccc(C(F)(F)F)cn4)CC3)nc2)c1
Cc1cccc(C(=O)Nc2ccc(N3CCN(c4ccc(C(F)(F)F)cn4)CC3)nc2)c1
3-methyl-N-[6-[4-[5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl]pyridin-3-yl]benzamide