Problem statement: Answer the multiple-choice question.
Query: Which drug has a 2.165\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) CCOC(=O)C1=C(c2ccccc2)OC(N)=C(C#N)C1c1ccc(Cl)s1
b) CCOC(=O)CC(=O)CSc1nc2ccc(C)cc2cc1C#N
c) CCOC(=O)CSc1ccc(C(=O)Nc2ccc(OC)cc2)cn1
d) CC(=O)Nc1ccc(OCC(O)CN2CCN(c3ccc(C)c(Cl)c3)CC2)cc1
Answer: b. CCOC(=O)CC(=O)CSc1nc2ccc(C)cc2cc1C#N
{#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#}
CCOC(=O)CC(=O)CSc1nc2ccc(C)cc2cc1C#N
CCOC(=O)CC(=O)CSc1nc2ccc(C)cc2cc1C#N
ethyl 4-(3-cyano-6-methylquinolin-2-yl)sulfanyl-3-oxobutanoate