Task: Answer the multiple-choice question.
Query: Which drug exhibits a -2.454% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=C(NCCN1CCOCC1)c1ccc(CS(=O)(=O)c2ccc(Cl)cc2)o1
[b] CN1Cc2c(N3CCOCC3)nc(SCCC#N)c(C#N)c2CC1(C)C
Answer: b. CN1Cc2c(N3CCOCC3)nc(SCCC#N)c(C#N)c2CC1(C)C
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CN1Cc2c(N3CCOCC3)nc(SCCC#N)c(C#N)c2CC1(C)C
CN1Cc2c(N3CCOCC3)nc(SCCC#N)c(C#N)c2CC1(C)C
3-(2-cyanoethylsulfanyl)-6,6,7-trimethyl-1-morpholin-4-yl-5,8-dihydro-2,7-naphthyridine-4-carbonitrile