Problem statement: Answer the multiple choice question.
Query: Which compound has a -17.863\% 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: CCCCn1c(NC(=O)c2ccc(Br)o2)c(C(=O)OCC)c2nc3ccccc3nc21
b: Cc1nnc(NC(=O)CCn2c(=O)oc3ccccc32)s1
c: CN(C)c1nn(C(=O)Nc2cccc(C(F)(F)F)c2)cc1-c1ccccc1
d: COc1ccccc1OCCSc1nc2ccccc2n1CCC(=O)O
Answer: a. CCCCn1c(NC(=O)c2ccc(Br)o2)c(C(=O)OCC)c2nc3ccccc3nc21
{#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#}
CCCCn1c(NC(=O)c2ccc(Br)o2)c(C(=O)OCC)c2nc3ccccc3nc21
CCCCn1c(NC(=O)c2ccc(Br)o2)c(C(=O)OCC)c2nc3ccccc3nc21
ethyl 2-[(5-bromofuran-2-carbonyl)amino]-1-butylpyrrolo[3,2-b]quinoxaline-3-carboxylate