Task: Answer the multiple-choice question.
Question: Which drug exhibits a -17.493\% 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) Fc1ccc(CN2CCN(C(=S)NCCc3ccccc3)CC2)c(Cl)c1
(b) CCCCCOC(=O)c1c(N)n(CCOC)c2nc3ccccc3nc12
(c) O=C1C(C=NCc2ccncc2)=C(O)c2ccccc21
(d) CC(=O)c1ccccc1OCC(=O)Nc1cccc(S(=O)(=O)N2CCCC2)c1
Answer: b. CCCCCOC(=O)c1c(N)n(CCOC)c2nc3ccccc3nc12
{#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#}
CCCCCOC(=O)c1c(N)n(CCOC)c2nc3ccccc3nc12
CCCCCOC(=O)c1c(N)n(CCOC)c2nc3ccccc3nc12
pentyl 2-amino-1-(2-methoxyethyl)pyrrolo[3,2-b]quinoxaline-3-carboxylate