Task: Answer the multiple choice question.
Question: Which compound exhibits a -1.274\% 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 other words.
Options:
[a] S=c1[nH]nc(-c2ccco2)n1/N=C/c1ccc(Cl)cc1Cl
[b] CC(C)c1ccc(C(=O)NNC(=O)c2ccncc2)cc1
[c] Cc1ccc(NC(=O)CSc2ncc(-c3ccccc3)n2C(=O)c2ccccc2)cc1
[d] Cc1cc(C)cc(OCCOc2cccc(C=C3C(=O)NC(=O)NC3=O)c2)c1
Answer: a. S=c1[nH]nc(-c2ccco2)n1/N=C/c1ccc(Cl)cc1Cl
{#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#}
S=c1[nH]nc(-c2ccco2)n1/N=C/c1ccc(Cl)cc1Cl
S=c1[nH]nc(-c2ccco2)n1/N=C/c1ccc(Cl)cc1Cl
4-[(E)-(2,4-dichlorophenyl)methylideneamino]-3-(furan-2-yl)-1H-1,2,4-triazole-5-thione