Task: Answer the multiple-choice question.
Question: Which compound exhibits a 3.851\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) COc1nc(OC)nc(N2CCC(C(=O)NCc3ccc(F)cc3)CC2)n1
(b) O=C(COC(=O)c1ccc(O)cc1)Nc1ccc2[nH]c(=O)[nH]c2c1
(c) CCN1CCC(N2CCN(c3ccccc3OC)CC2)CC1
(d) CNC(=O)c1cc(C(=O)c2ccc(Cl)cc2)c[nH]1
Answer: b. O=C(COC(=O)c1ccc(O)cc1)Nc1ccc2[nH]c(=O)[nH]c2c1
{#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(COC(=O)c1ccc(O)cc1)Nc1ccc2[nH]c(=O)[nH]c2c1
O=C(COC(=O)c1ccc(O)cc1)Nc1ccc2[nH]c(=O)[nH]c2c1
[2-oxo-2-[(2-oxo-1,3-dihydrobenzimidazol-5-yl)amino]ethyl] 4-hydroxybenzoate