Task: Answer the multiple-choice question.
Query: Which compound has a 18.472\% 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 additional words.
Options:
(a) CCc1ccc(NC(=O)Cn2nc(C(=O)O)c3ccccc3c2=O)cc1
(b) Cc1nn(CC(=O)N(C)C2(C#N)CCCCC2)c(C)c1[N+](=O)[O-]
(c) CCOC(=O)Cn1c(S(=O)(=O)Cc2ccccc2Cl)nc(-c2ccccc2)c1-c1ccccc1
Answer: a. CCc1ccc(NC(=O)Cn2nc(C(=O)O)c3ccccc3c2=O)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#}
CCc1ccc(NC(=O)Cn2nc(C(=O)O)c3ccccc3c2=O)cc1
CCc1ccc(NC(=O)Cn2nc(C(=O)O)c3ccccc3c2=O)cc1
3-[2-(4-ethylanilino)-2-oxoethyl]-4-oxophthalazine-1-carboxylic acid