Problem statement: Answer the multiple choice question.
Query: Which compound has a 3.645\% 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.) COCCN(C(=O)COC(=O)c1ccc(C)s1)c1c(N)n(Cc2ccccc2)c(=O)[nH]c1=O
b.) CCOC(=O)c1ccc2nc(C)c(C)nc2c1
c.) O=C(COc1ccc(S(=O)(=O)N2CCOCC2)cc1Cl)NCCN1CCOCC1
d.) COc1cc(C2NC(=O)CS2)cc(OC)c1OC
Answer: b. CCOC(=O)c1ccc2nc(C)c(C)nc2c1
{#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)c1ccc2nc(C)c(C)nc2c1
CCOC(=O)c1ccc2nc(C)c(C)nc2c1
ethyl 2,3-dimethylquinoxaline-6-carboxylate