Task: Answer the multiple-choice question.
Query: Which compound has a -1.620\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] O=C1CCC(C(=O)N2CCSCC2)CN1Cc1cccc(C(F)(F)F)c1
[b] O=C(Cc1ncc(C(F)(F)F)cc1Cl)N1CCN(c2ccccn2)CC1
[c] Cn1c(-c2ccccc2)n[nH]c1=S
Answer: b. O=C(Cc1ncc(C(F)(F)F)cc1Cl)N1CCN(c2ccccn2)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(Cc1ncc(C(F)(F)F)cc1Cl)N1CCN(c2ccccn2)CC1
O=C(Cc1ncc(C(F)(F)F)cc1Cl)N1CCN(c2ccccn2)CC1
2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-1-(4-pyridin-2-ylpiperazin-1-yl)ethanone