Task: Answer the multiple-choice question.
Query: Which compound exhibits a 1.946\% 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] CCOC(=O)c1[nH]c(C)c(C(=O)NC(C)(C)C)c1C
[b] O=[N+]([O-])c1cccc(CN2CCN(c3ncccn3)CC2)c1
[c] O=C(COC(=O)C1=COCCO1)Nc1ccc(Oc2ccccc2)cc1
[d] C=CCNC(=S)N1CCN(c2ncc(C(F)(F)F)cc2Cl)CC1
Answer: a. CCOC(=O)c1[nH]c(C)c(C(=O)NC(C)(C)C)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#}
CCOC(=O)c1[nH]c(C)c(C(=O)NC(C)(C)C)c1C
CCOC(=O)c1[nH]c(C)c(C(=O)NC(C)(C)C)c1C
ethyl 4-(tert-butylcarbamoyl)-3,5-dimethyl-1H-pyrrole-2-carboxylate