Task: Answer the multiple-choice question.
Query: Which drug has a 2.475\% 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. NS(=O)(=O)c1ccc(CCNC(=O)Cc2ccc(Cl)cc2)cc1
b. CCOC(=O)C1=C(C)NC2(O)c3ccccc3C(=O)C12O
c. Cc1cc(C)cc(COn2ccnc2)c1
d. Oc1ccc(Cl)c(Cl)c1Cl
Answer: b. CCOC(=O)C1=C(C)NC2(O)c3ccccc3C(=O)C12O
{#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=C(C)NC2(O)c3ccccc3C(=O)C12O
CCOC(=O)C1=C(C)NC2(O)c3ccccc3C(=O)C12O
ethyl 3a,8b-dihydroxy-2-methyl-4-oxo-1H-indeno[1,2-b]pyrrole-3-carboxylate