Task: Answer the multiple-choice question.
Question: Which compound exhibits a 1.536\% 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) O=C(NCc1ccc2[nH]c3c(c2c1)CCCC3)c1ccc(S(=O)(=O)N2CCOCC2)cc1
(b) Cc1c(C(c2ccc(N(C)C)cc2)c2c(C)n(C)n(-c3ccccc3)c2=O)c(=O)n(-c2ccccc2)n1C
(c) Cc1nnc2ccc(-c3cccc(NC(=O)c4ccco4)c3)nn12
(d) Cc1ccc(-c2noc(-c3cc(C(C)(C)C)nn3Cc3ccccc3)n2)cc1
Answer: c. Cc1nnc2ccc(-c3cccc(NC(=O)c4ccco4)c3)nn12
{#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#}
Cc1nnc2ccc(-c3cccc(NC(=O)c4ccco4)c3)nn12
Cc1nnc2ccc(-c3cccc(NC(=O)c4ccco4)c3)nn12
N-[3-(3-methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)phenyl]furan-2-carboxamide