Task: Answer the multiple-choice question.
Query: Which drug exhibits a -2.877\% 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] COc1ccc(CCCc2nnc(SCc3nc4ccccc4c(=O)[nH]3)n2C)cc1C
[b] Cc1cc2cc(CN(Cc3nnnn3C3CCCCC3)CC3CCCO3)c(=O)[nH]c2cc1C
Answer: a. COc1ccc(CCCc2nnc(SCc3nc4ccccc4c(=O)[nH]3)n2C)cc1C
{#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#}
COc1ccc(CCCc2nnc(SCc3nc4ccccc4c(=O)[nH]3)n2C)cc1C
COc1ccc(CCCc2nnc(SCc3nc4ccccc4c(=O)[nH]3)n2C)cc1C
2-[[5-[3-(4-methoxy-3-methylphenyl)propyl]-4-methyl-1,2,4-triazol-3-yl]sulfanylmethyl]-3H-quinazolin-4-one