Task: Answer the multiple choice question.
Query: Which compound has a 18.226\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a COc1ccc(CC(=O)Nc2ccc(S(=O)(=O)N(C)C)cc2)cc1OC
b CCN(CC)C(=O)CSc1nnc(-c2ccncc2)n1N
Answer: b. CCN(CC)C(=O)CSc1nnc(-c2ccncc2)n1N
{#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#}
CCN(CC)C(=O)CSc1nnc(-c2ccncc2)n1N
CCN(CC)C(=O)CSc1nnc(-c2ccncc2)n1N
2-[(4-amino-5-pyridin-4-yl-1,2,4-triazol-3-yl)sulfanyl]-N,N-diethylacetamide