Task: Answer the MCQ question.
Question: Which compound has a 4.013\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. COc1ccccc1CNC(=O)CSc1nnc2ccc(-c3cccnc3)nn12
b. COC(=O)C1=C(C)Nc2ccc(C)cc2S1
c. Cc1sc2ncn(CC(=O)N3CCCC(C)C3)c(=O)c2c1S(=O)(=O)N1CCCCC1
d. CCC(=Nc1ccc(OC)cc1OC)c1c(O)[nH]c(=O)[nH]c1=O
Answer: b. COC(=O)C1=C(C)Nc2ccc(C)cc2S1
{#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#}
COC(=O)C1=C(C)Nc2ccc(C)cc2S1
COC(=O)C1=C(C)Nc2ccc(C)cc2S1
methyl 3,7-dimethyl-4H-1,4-benzothiazine-2-carboxylate