Task: Answer the MCQ question.
Query: Which drug exhibits a 8.775\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a COc1cc2c(cc1OC)C(C)N(C(=O)c1cc3c(C)cc(C)cc3[nH]1)CC2
b CCCCc1nc2sc3c(=O)[nH]cnc3c2c2c1CCCC2
Answer: b. CCCCc1nc2sc3c(=O)[nH]cnc3c2c2c1CCCC2
{#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#}
CCCCc1nc2sc3c(=O)[nH]cnc3c2c2c1CCCC2
CCCCc1nc2sc3c(=O)[nH]cnc3c2c2c1CCCC2
8-butyl-11-thia-9,14,16-triazatetracyclo[8.7.0.02,7.012,17]heptadeca-1(10),2(7),8,12(17),15-pentaen-13-one