Task: Answer the MCQ question.
Query: Which compound exhibits a -3.940\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCOC(=O)c1[nH]c(C)c(C(=O)N2CCN(c3ccccc3)CC2)c1C
(b) COc1cc(N2C(=O)CC(=O)NC2=O)cc(OC)c1OC
Answer: a. CCOC(=O)c1[nH]c(C)c(C(=O)N2CCN(c3ccccc3)CC2)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)N2CCN(c3ccccc3)CC2)c1C
CCOC(=O)c1[nH]c(C)c(C(=O)N2CCN(c3ccccc3)CC2)c1C
ethyl 3,5-dimethyl-4-(4-phenylpiperazine-1-carbonyl)-1H-pyrrole-2-carboxylate