Task: Answer the MCQ question.
Query: Which compound exhibits a -2.573\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: Cc1nn(CCO)c(C)c1Oc1ccccc1O
b: Cc1[nH]n2c(=O)cc(C(C)(C)C)nc2c1-c1ccccc1
c: CC(C)(C)OC(=O)NCCCC[C@@H](C(=O)N1CCN(C(=O)OC(C)(C)C)CC1)n1cc(C(CO)NC(=O)OC(C)(C)C)nn1
Answer: b. Cc1[nH]n2c(=O)cc(C(C)(C)C)nc2c1-c1ccccc1
{#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#}
Cc1[nH]n2c(=O)cc(C(C)(C)C)nc2c1-c1ccccc1
Cc1[nH]n2c(=O)cc(C(C)(C)C)nc2c1-c1ccccc1
5-tert-butyl-2-methyl-3-phenyl-1H-pyrazolo[1,5-a]pyrimidin-7-one