Task: Answer the multiple-choice question.
Question: Which compound exhibits a 9.260\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] O=C(NCc1ccccn1)C(=O)NCC1OCCN1S(=O)(=O)c1ccc(F)cc1
[b] CCCCN1CC(=O)N2[C@H]3c4ccccc4OC[C@@H]3[C@H](c3ccccc3)[C@]2(C)C1=O
[c] CCOC(=O)c1ccn(-c2nc(-c3ccco3)cc(C(F)(F)F)n2)n1
Answer: b. CCCCN1CC(=O)N2[C@H]3c4ccccc4OC[C@@H]3[C@H](c3ccccc3)[C@]2(C)C1=O
{#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#}
CCCCN1CC(=O)N2[C@H]3c4ccccc4OC[C@@H]3[C@H](c3ccccc3)[C@]2(C)C1=O
CCCCN1CC(=O)N2[C@H]3c4ccccc4OC[C@@H]3[C@H](c3ccccc3)[C@]2(C)C1=O
(1R,10R,11R,12R)-14-butyl-12-methyl-11-phenyl-8-oxa-14,17-diazatetracyclo[8.7.0.02,7.012,17]heptadeca-2,4,6-triene-13,16-dione