Task: Answer the MCQ question.
Query: Which drug has a 13.020\% 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.) CCC(C)[C@H](N)c1cn([C@@H](Cc2ccc(O)cc2)C(=O)N2CCNCC2)nn1.Cl
b.) CCOC(=O)C1(CCOC)CCN(C(=O)c2sccc2C)CC1
c.) CN(Cc1ccccc1)C(=O)CSc1n[nH]c(N)n1
d.) C=CCOc1ccc(C2/C(=C(/O)c3ccc4c(c3)CC(C)O4)C(=O)C(=O)N2CCCN2CCOCC2)cc1
Answer: b. CCOC(=O)C1(CCOC)CCN(C(=O)c2sccc2C)CC1
{#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)C1(CCOC)CCN(C(=O)c2sccc2C)CC1
CCOC(=O)C1(CCOC)CCN(C(=O)c2sccc2C)CC1
ethyl 4-(2-methoxyethyl)-1-(3-methylthiophene-2-carbonyl)piperidine-4-carboxylate