Problem statement: Answer the multiple choice question.
Query: Which drug has a 1.867\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] COc1ccccc1CN(Cc1cc2cc(C)ccc2[nH]c1=O)Cc1nnnn1CC1CCCO1
[b] COc1ccc2nc(-c3ccccc3)cc(OC)c2c1
[c] O=c1cc([O-])nc(SCc2ccccc2)n1-c1ccccc1.[K+]
[d] CN1C(=O)C(=Cc2cn(CC(=O)N3CCCC3)c3ccccc23)C(=O)N(C)C1=O
Answer: a. COc1ccccc1CN(Cc1cc2cc(C)ccc2[nH]c1=O)Cc1nnnn1CC1CCCO1
{#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#}
COc1ccccc1CN(Cc1cc2cc(C)ccc2[nH]c1=O)Cc1nnnn1CC1CCCO1
COc1ccccc1CN(Cc1cc2cc(C)ccc2[nH]c1=O)Cc1nnnn1CC1CCCO1
3-[[(2-methoxyphenyl)methyl-[[1-(oxolan-2-ylmethyl)tetrazol-5-yl]methyl]amino]methyl]-6-methyl-1H-quinolin-2-one