Task: Answer the multiple-choice question.
Query: Which drug exhibits a 15.666\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a C=C(C)/C=N/NC(=S)Nc1ccc(S(=O)(=O)N2CCOCC2)cc1
b O=C(NCCO)c1ccccc1O
c c1ccc2c(-c3csc(-c4ccncc4)n3)c[nH]c2c1
Answer: b. O=C(NCCO)c1ccccc1O
{#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#}
O=C(NCCO)c1ccccc1O
O=C(NCCO)c1ccccc1O
2-hydroxy-N-(2-hydroxyethyl)benzamide