Task: Answer the MCQ question.
Question: Which compound exhibits a 18.891\% 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 Cc1cccc(C)c1Nc1nnc(SCC(=O)c2ccc3c(c2)NC(=O)CO3)s1
b O=C(COC(=O)c1ccccc1SCC(=O)N1CCCC1)Nc1ccc(OC(F)F)cc1
c Cc1ccccc1CSc1nnc(C)c(=O)[nH]1
d Cc1ccccc1CNC(=O)CCC(=O)N1Cc2ccccc2Oc2ncccc21
e CCOc1ccc(NC(=O)c2ccc(N3CC4CC(C3)c3cccc(=O)n3C4)c(N)c2)cc1
Answer: c. Cc1ccccc1CSc1nnc(C)c(=O)[nH]1
{#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#}
Cc1ccccc1CSc1nnc(C)c(=O)[nH]1
Cc1ccccc1CSc1nnc(C)c(=O)[nH]1
6-methyl-3-[(2-methylphenyl)methylsulfanyl]-4H-1,2,4-triazin-5-one