Task: Answer the multiple choice question.
Question: Which compound exhibits a -1.934\% 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 additional words.
Options:
(a) COc1ccc(C2=C(SC)CC2=NC(C)(C)C)cc1
(b) CCn1ncc(C2=NOC(C(=O)Nc3cc(OC)c(Cl)cc3OC)C2)c1C
(c) Cn1nnc2c(C(N)=O)ncn2c1=O
(d) Cn1ncc(Cl)c1C(=O)N1CCN(c2ccc(F)cc2)CC1
Answer: b. CCn1ncc(C2=NOC(C(=O)Nc3cc(OC)c(Cl)cc3OC)C2)c1C
{#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#}
CCn1ncc(C2=NOC(C(=O)Nc3cc(OC)c(Cl)cc3OC)C2)c1C
CCn1ncc(C2=NOC(C(=O)Nc3cc(OC)c(Cl)cc3OC)C2)c1C
N-(4-chloro-2,5-dimethoxyphenyl)-3-(1-ethyl-5-methylpyrazol-4-yl)-4,5-dihydro-1,2-oxazole-5-carboxamide