Task: Answer the multiple-choice question.
Query: Which drug exhibits a -21.477% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) COc1ccccc1-c1cc(C(=O)N2CCN(S(=O)(=O)c3ccc(C)cc3)CC2)[nH]n1
b.) COC(=O)c1cnc(SCc2ccc(Cl)cc2)n1C
Answer: b. COC(=O)c1cnc(SCc2ccc(Cl)cc2)n1C
{#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#}
COC(=O)c1cnc(SCc2ccc(Cl)cc2)n1C
COC(=O)c1cnc(SCc2ccc(Cl)cc2)n1C
methyl 2-[(4-chlorophenyl)methylsulfanyl]-3-methylimidazole-4-carboxylate