Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 8.418\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] CCOC(=O)c1cc2c(=O)c3ccccc3oc2nc1C
[b] COc1ccc(C)cc1NC(=O)CN(C)S(=O)(=O)c1ccc2c(c1)n(C)c(=O)c(=O)n2C
[c] COc1ccc(CNC(=O)C(c2ccco2)N(Cc2ccccc2)C(=O)Cc2cccs2)cc1
[d] CN(CCOc1ccc(Cl)cc1)CC(=O)Nc1ccc(OC(F)F)cc1
[e] C=CCn1c(O)c(C=NC2CCN(Cc3ccccc3)CC2)c(=O)[nH]c1=O
Answer: a. CCOC(=O)c1cc2c(=O)c3ccccc3oc2nc1C
{#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)c1cc2c(=O)c3ccccc3oc2nc1C
CCOC(=O)c1cc2c(=O)c3ccccc3oc2nc1C
ethyl 2-methyl-5-oxochromeno[2,3-b]pyridine-3-carboxylate