Task: Answer the multiple-choice question.
Query: Which drug exhibits a 4.851\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a CC(=O)Nc1ccccc1NC(=O)C/C(C)=N/NC(=O)c1cccnc1
b COc1ccc(Nc2nc3c([nH]2)c(=O)[nH]c(=O)n3C)cc1
c C=C[C@H]1CN2CCC1C[C@H]2[C@H](O)c1ccnc2ccc(OC)cc12
d CC(C)C[C@H](NC(=O)OC(C)(C)C)C(=O)N1CCC(C(=O)N[C@@H](Cc2ccccc2)C(=O)O)CC1
e Cc1ccc(S(=O)(=O)Cc2cccc(C(=O)N3CCOCC3)c2)cc1
Answer: b. COc1ccc(Nc2nc3c([nH]2)c(=O)[nH]c(=O)n3C)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#}
COc1ccc(Nc2nc3c([nH]2)c(=O)[nH]c(=O)n3C)cc1
COc1ccc(Nc2nc3c([nH]2)c(=O)[nH]c(=O)n3C)cc1
8-(4-methoxyanilino)-3-methyl-7H-purine-2,6-dione