Task: Answer the multiple-choice question.
Query: Which compound has a 18.861\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] CSc1nc(Cc2ccccc2)nc2ccccc12
[b] Cc1ccccc1C(=O)N1CCN(c2ccc(NC(=O)c3ccco3)cc2)CC1
[c] CC(=O)Nc1nnc(SCC(=O)N2CCCc3ccccc32)s1
Answer: a. CSc1nc(Cc2ccccc2)nc2ccccc12
{#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#}
CSc1nc(Cc2ccccc2)nc2ccccc12
CSc1nc(Cc2ccccc2)nc2ccccc12
2-benzyl-4-methylsulfanylquinazoline