Task: Answer the MCQ question.
Question: Which drug exhibits a 2.905\% 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) Cc1ccccc1NCc1nnc2n1CCCCC2
(b) COc1nc(Oc2ccc(=O)[nH]n2)nc(N2CCOCC2)n1
(c) CCc1ccc(OP(C)(=O)Nc2cccnc2)cc1
Answer: a. Cc1ccccc1NCc1nnc2n1CCCCC2
{#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#}
Cc1ccccc1NCc1nnc2n1CCCCC2
Cc1ccccc1NCc1nnc2n1CCCCC2
2-methyl-N-(6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepin-3-ylmethyl)aniline