Task: Answer the multiple choice question.
Question: Which drug has a 2.856\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. COC(=O)c1ccc(-n2nnnc2SC)cc1
b. Cc1cc(=O)oc2cc(OCC(=O)N(C)C3CCS(=O)(=O)C3)c(Cl)cc12
c. O=C(Nc1ccccc1C(=O)N1CCCCC1)c1ccc(Cl)cc1Cl
d. CCOC(=O)Cc1csc(NC(=O)c2c(O)c3c(n(CC(C)C)c2=O)CCCC3)n1
Answer: a. COC(=O)c1ccc(-n2nnnc2SC)cc1
{#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#}
COC(=O)c1ccc(-n2nnnc2SC)cc1
COC(=O)c1ccc(-n2nnnc2SC)cc1
methyl 4-(5-methylsulfanyltetrazol-1-yl)benzoate