Problem statement: Answer the multiple-choice question.
Query: Which drug has a -0.518\% 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) O=S(=O)(c1ccccc1Cl)N1CCCC1c1nc(-c2ccccc2Cl)no1
b) COc1ccc(-c2noc(CSc3nc4sc(C)c(C)c4c(=O)n3-c3ccccc3)n2)cc1OC
Answer: b. COc1ccc(-c2noc(CSc3nc4sc(C)c(C)c4c(=O)n3-c3ccccc3)n2)cc1OC
{#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(-c2noc(CSc3nc4sc(C)c(C)c4c(=O)n3-c3ccccc3)n2)cc1OC
COc1ccc(-c2noc(CSc3nc4sc(C)c(C)c4c(=O)n3-c3ccccc3)n2)cc1OC
2-[[3-(3,4-dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methylsulfanyl]-5,6-dimethyl-3-phenylthieno[2,3-d]pyrimidin-4-one