Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 4.905\% 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) O=C1CC(N2CCN(c3ccc(Cl)cc3)CC2)C(=O)N1c1ccccc1
(b) Cc1nnc(NC2=NCCC2)o1
(c) O=C(NCCCN1CCOCC1)c1ccc(CNS(=O)(=O)c2ccc(Br)cc2)cc1
(d) CCCCCCCCSc1nnc(CSc2nc3nc(C)cc(C)n3n2)o1
Answer: b. Cc1nnc(NC2=NCCC2)o1
{#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#}
Cc1nnc(NC2=NCCC2)o1
Cc1nnc(NC2=NCCC2)o1
N-(3,4-dihydro-2H-pyrrol-5-yl)-5-methyl-1,3,4-oxadiazol-2-amine