Task: Answer the multiple-choice question.
Query: Which compound exhibits a -1.689\% 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) CC1(c2cccc(Br)c2)NC(=O)N(CC(=O)Nc2ccc(S(N)(=O)=O)cc2)C1=O
b) Cn1ncc(Cl)c1C(=O)N1CCC2(CC1)OCCO2
c) COc1ccc(Oc2coc3cc(OC(=O)/C=C/c4ccc(F)cc4)ccc3c2=O)cc1
Answer: b. Cn1ncc(Cl)c1C(=O)N1CCC2(CC1)OCCO2
{#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#}
Cn1ncc(Cl)c1C(=O)N1CCC2(CC1)OCCO2
Cn1ncc(Cl)c1C(=O)N1CCC2(CC1)OCCO2
(4-chloro-2-methylpyrazol-3-yl)-(1,4-dioxa-8-azaspiro[4.5]decan-8-yl)methanone