Task: Answer the multiple choice question.
Query: Which compound exhibits a 6.487\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) CSc1nnnn1-c1cccc(O)c1
b.) N=c1c(C(=O)NCc2ccccc2)cc2c(=O)n3ccccc3nc2n1CCCN1CCOCC1
Answer: a. CSc1nnnn1-c1cccc(O)c1
{#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#}
CSc1nnnn1-c1cccc(O)c1
CSc1nnnn1-c1cccc(O)c1
3-(5-methylsulfanyltetrazol-1-yl)phenol