Task: Answer the multiple choice question.
Query: Which compound exhibits a -13.889\% 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: CN(CCc1ccccn1)C(=O)CCC1CCCN(C(=O)c2c3c(nn2C)CCCC3)C1
b: CCOC(=O)c1sc(NC(=O)C2CSC3(C)CCC(=O)N23)nc1C
c: Cn1cnnc1-c1cccc(NS(=O)(=O)c2ccc(N3CCCC3=O)cc2)c1
d: O=C(CN1CCN(Cc2ccccc2Cl)CC1)N/N=C/c1cccs1
Answer: b. CCOC(=O)c1sc(NC(=O)C2CSC3(C)CCC(=O)N23)nc1C
{#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)c1sc(NC(=O)C2CSC3(C)CCC(=O)N23)nc1C
CCOC(=O)c1sc(NC(=O)C2CSC3(C)CCC(=O)N23)nc1C
ethyl 2-[(7a-methyl-5-oxo-2,3,6,7-tetrahydropyrrolo[2,1-b][1,3]thiazole-3-carbonyl)amino]-4-methyl-1,3-thiazole-5-carboxylate