Task: Answer the MCQ question.
Query: Which compound has a 6.639\% 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 additional words.
Options:
[a] COc1ccc(Cc2nc3ccc(C(=O)NCc4ncc(C)[nH]4)cc3o2)cc1OC
[b] CCO[C@H]1OC(C(=O)NC2CC2)=C[C@@H](c2ccc3c(c2)OCO3)[C@@H]1CCCO
Answer: a. COc1ccc(Cc2nc3ccc(C(=O)NCc4ncc(C)[nH]4)cc3o2)cc1OC
{#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(Cc2nc3ccc(C(=O)NCc4ncc(C)[nH]4)cc3o2)cc1OC
COc1ccc(Cc2nc3ccc(C(=O)NCc4ncc(C)[nH]4)cc3o2)cc1OC
2-[(3,4-dimethoxyphenyl)methyl]-N-[(5-methyl-1H-imidazol-2-yl)methyl]-1,3-benzoxazole-6-carboxamide