Task: Answer the multiple-choice question.
Query: Which drug exhibits a 4.091\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: Cc1cccc(S(=O)(=O)c2c(C)cc(C)nc2Cl)c1
b: Cc1oc2c(CN3CCCC3)c(O)ccc2c(=O)c1Oc1ccccc1Br
c: CC(Cc1ccccc1)NC(=O)CSc1nc2nc3c(cc2c(=O)n1-c1ccccc1)COC(C)(C)C3
Answer: b. Cc1oc2c(CN3CCCC3)c(O)ccc2c(=O)c1Oc1ccccc1Br
{#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#}
Cc1oc2c(CN3CCCC3)c(O)ccc2c(=O)c1Oc1ccccc1Br
Cc1oc2c(CN3CCCC3)c(O)ccc2c(=O)c1Oc1ccccc1Br
3-(2-bromophenoxy)-7-hydroxy-2-methyl-8-(pyrrolidin-1-ylmethyl)chromen-4-one