Task: Answer the MCQ question.
Query: Which drug exhibits a 3.571\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) CCNS(=O)(=O)c1ccc(-c2ccc(-n3cnnn3)cc2)cc1
b.) O=C(NCc1cccnc1)C(=O)NCC1OCCCN1S(=O)(=O)c1ccc(Cl)cc1
Answer: b. O=C(NCc1cccnc1)C(=O)NCC1OCCCN1S(=O)(=O)c1ccc(Cl)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#}
O=C(NCc1cccnc1)C(=O)NCC1OCCCN1S(=O)(=O)c1ccc(Cl)cc1
O=C(NCc1cccnc1)C(=O)NCC1OCCCN1S(=O)(=O)c1ccc(Cl)cc1
N-[[3-(4-chlorophenyl)sulfonyl-1,3-oxazinan-2-yl]methyl]-N'-(pyridin-3-ylmethyl)oxamide