Task: Answer the multiple choice question.
Query: Which drug has a -52.137\% 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, d, or e without using any additional words.
Options:
a CC(=O)Oc1ccc(C(=O)N2c3ccccc3NC(=O)C2C)cc1
b Cc1ccc2c(CN3CCN(CCO)CC3)cc(=O)oc2c1
c Cc1ccc(SCC(=O)OCC(=O)N(CCC#N)c2ccccc2)cc1
d Cc1cc(C)nc(NS(=O)(=O)c2ccc(-n3cccc3)cc2)n1
e S=C(Nc1ccc2c(c1)OCO2)NC1CCN(Cc2ccccc2)CC1
Answer: b. Cc1ccc2c(CN3CCN(CCO)CC3)cc(=O)oc2c1
{#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#}
Cc1ccc2c(CN3CCN(CCO)CC3)cc(=O)oc2c1
Cc1ccc2c(CN3CCN(CCO)CC3)cc(=O)oc2c1
4-[[4-(2-hydroxyethyl)piperazin-1-yl]methyl]-7-methylchromen-2-one