Task: Answer the multiple choice question.
Query: Which compound exhibits a 9.849\% human ether-à-go-go related gene (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] CC(O)CSc1nc2c(c(=O)[nH]c(=O)n2C)n1Cc1ccccc1Cl
[b] COc1ccc(C(c2nnnn2Cc2ccccc2)N2CCN(c3nc4ccccc4s3)CC2)cc1
Answer: b. COc1ccc(C(c2nnnn2Cc2ccccc2)N2CCN(c3nc4ccccc4s3)CC2)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#}
2-[4-[(1-benzyltetrazol-5-yl)-(4-methoxyphenyl)methyl]piperazin-1-yl]-1,3-benzothiazole