Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a -2.428\% 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 other words.
Options:
a) O=C(c1ccc(N2CCN(C(=O)c3cccc(F)c3)CC2)cc1)c1cccc(F)c1
b) COC(=O)c1cccc(NC(=O)Nc2ccc(Cl)c(Cl)c2)c1
c) Cc1nn(C(=O)Cn2ccc([N+](=O)[O-])n2)c(C)c1Br
d) Cc1ccc(-c2nc3ccccc3[nH]2)cc1NC(=S)NC(=O)c1ccccc1Br
Answer: a. O=C(c1ccc(N2CCN(C(=O)c3cccc(F)c3)CC2)cc1)c1cccc(F)c1
{#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(c1ccc(N2CCN(C(=O)c3cccc(F)c3)CC2)cc1)c1cccc(F)c1
O=C(c1ccc(N2CCN(C(=O)c3cccc(F)c3)CC2)cc1)c1cccc(F)c1
[4-[4-(3-fluorobenzoyl)piperazin-1-yl]phenyl]-(3-fluorophenyl)methanone