Task: Answer the multiple-choice question.
Question: Which drug exhibits a 9.267\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cn1c(=O)[nH]c(=O)c2c1nc(NCc1ccccc1)n2Cc1ccc(F)cc1
(b) O=C(NCCN1CCOCC1)C(=O)NCC1OCCCN1S(=O)(=O)c1ccc(F)cc1
Answer: a. Cn1c(=O)[nH]c(=O)c2c1nc(NCc1ccccc1)n2Cc1ccc(F)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#}
Cn1c(=O)[nH]c(=O)c2c1nc(NCc1ccccc1)n2Cc1ccc(F)cc1
Cn1c(=O)[nH]c(=O)c2c1nc(NCc1ccccc1)n2Cc1ccc(F)cc1
8-(benzylamino)-7-[(4-fluorophenyl)methyl]-3-methylpurine-2,6-dione