Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 13.556\% 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 other words.
Options:
[a] c1ccc2c(CSc3ncnc4nc[nH]c34)cccc2c1
[b] Cc1ccc(C(=O)N2CCN(Cc3ccccc3)CC2)o1
[c] Cc1ccccc1C(=O)NC1CCN(CC(=O)Nc2nccs2)CC1
[d] CCOc1ccc(NC(=O)CSc2nnc(C3CC3)n2C)cc1
[e] COc1ccc(OCC(=O)Nc2ccc(NC(=O)c3ccccc3Cl)c(OC)c2)cc1
Answer: a. c1ccc2c(CSc3ncnc4nc[nH]c34)cccc2c1
{#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#}
c1ccc2c(CSc3ncnc4nc[nH]c34)cccc2c1
c1ccc2c(CSc3ncnc4nc[nH]c34)cccc2c1
6-(naphthalen-1-ylmethylsulfanyl)-7H-purine