Task: Answer the multiple choice question.
Question: Which compound exhibits a 19.462\% human ether-à-go-go related gene (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] COc1ccc(-c2cn(-c3ccc(C)cc3)c(=O)n2CC(=O)Nc2cccc(F)c2)cc1
[b] CN(C(=O)c1cnccc1C(F)(F)F)c1ccc(Cl)cc1
[c] C/C(=N\NC(=O)CCc1ccc(S(=O)(=O)N2CCOCC2)cc1)c1ccc(Br)cc1
[d] CS(=O)(=O)NN1C(=O)c2ccccc2NC1c1ccccc1F
Answer: b. CN(C(=O)c1cnccc1C(F)(F)F)c1ccc(Cl)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#}
CN(C(=O)c1cnccc1C(F)(F)F)c1ccc(Cl)cc1
CN(C(=O)c1cnccc1C(F)(F)F)c1ccc(Cl)cc1
N-(4-chlorophenyl)-N-methyl-4-(trifluoromethyl)pyridine-3-carboxamide