Task: Answer the multiple-choice question.
Question: Which drug exhibits a 0.397\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] Cc1ccc(NC(=O)CSc2nnc(-c3cnccn3)n2C)cc1C
[b] CCOC(=O)c1c(C)c(C(=O)N2CCN(c3cccc(Cl)c3)CC2)c(C)n1C
Answer: b. CCOC(=O)c1c(C)c(C(=O)N2CCN(c3cccc(Cl)c3)CC2)c(C)n1C
{#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)c1c(C)c(C(=O)N2CCN(c3cccc(Cl)c3)CC2)c(C)n1C
CCOC(=O)c1c(C)c(C(=O)N2CCN(c3cccc(Cl)c3)CC2)c(C)n1C
ethyl 4-[4-(3-chlorophenyl)piperazine-1-carbonyl]-1,3,5-trimethylpyrrole-2-carboxylate