Task: Answer the multiple choice question.
Question: Which drug has a -18.373\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a CCCn1c2c(c(O)c(C(=O)Nc3ncccc3O)c1=O)CCCC2
b CCc1c(C)c(C#N)c2nc3ccccc3n2c1-n1nc(C)cc1C
c CCOC(=O)c1nnc(-c2ccccc2)nc1Oc1ccc(Cl)cc1
d COC(=O)c1ccc(NC(=O)[C@H](C)NC(N)=O)cc1
e Cc1ccc(-n2ccc(=O)c(-c3ccnc(SCc4cccc(Cl)c4)n3)n2)cc1
Answer: c. CCOC(=O)c1nnc(-c2ccccc2)nc1Oc1ccc(Cl)cc1
{#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)c1nnc(-c2ccccc2)nc1Oc1ccc(Cl)cc1
CCOC(=O)c1nnc(-c2ccccc2)nc1Oc1ccc(Cl)cc1
ethyl 5-(4-chlorophenoxy)-3-phenyl-1,2,4-triazine-6-carboxylate