Task: Answer the multiple choice question.
Question: Which compound has a 4.427\% 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] Cc1nnc(NC(=O)CSc2ccc3nnc(-c4cccnc4)n3n2)s1
[b] O=S(=O)(NCc1ccc(Cl)cc1)c1ccc(Cl)nc1
[c] COc1cc2c(c(O)c1OC)C(=O)C(OC)CCC2
[d] CCOC(=O)Nc1ccc(S(=O)(=O)Nc2onc(C)c2C)cc1
Answer: a. Cc1nnc(NC(=O)CSc2ccc3nnc(-c4cccnc4)n3n2)s1
{#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#}
Cc1nnc(NC(=O)CSc2ccc3nnc(-c4cccnc4)n3n2)s1
Cc1nnc(NC(=O)CSc2ccc3nnc(-c4cccnc4)n3n2)s1
N-(5-methyl-1,3,4-thiadiazol-2-yl)-2-[(3-pyridin-3-yl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)sulfanyl]acetamide