Task: Answer the multiple-choice question.
Query: Which drug exhibits a 1.844\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: Cc1cccc(C(=O)NNc2ncnc3c2cnn3C)c1
b: COc1ccc(CN2CCN(C(=O)C3CCC(CNS(=O)(=O)c4ccccc4)CC3)CC2)c(OC)c1OC
c: CCOC(=O)c1ccc(NC(=O)c2nc[nH]c2C(=O)NCCCCCNC(=O)OC(C)(C)C)cc1
d: Cc1ccc2c(c1C)NC(=O)CC(c1ccccc1O)=N2
Answer: b. COc1ccc(CN2CCN(C(=O)C3CCC(CNS(=O)(=O)c4ccccc4)CC3)CC2)c(OC)c1OC
{#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(CN2CCN(C(=O)C3CCC(CNS(=O)(=O)c4ccccc4)CC3)CC2)c(OC)c1OC
COc1ccc(CN2CCN(C(=O)C3CCC(CNS(=O)(=O)c4ccccc4)CC3)CC2)c(OC)c1OC
N-[[4-[4-[(2,3,4-trimethoxyphenyl)methyl]piperazine-1-carbonyl]cyclohexyl]methyl]benzenesulfonamide