Task: Answer the multiple choice question.
Query: Which compound has a 2.587\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] COc1cc([N+](=O)[O-])ccc1NC(=O)CCCOc1ccccc1
[b] Cc1ccc(OCC(=O)N2CCC(N3CCCCCC3)CC2)cc1
[c] C/C=C/c1cc(CN2CCN(c3ccc(OC)cc3)CC2)c(O)c(OC)c1
[d] O=C(Nc1nnc(S(=O)(=O)N2CCCCCC2)s1)c1ccccc1F
Answer: a. COc1cc([N+](=O)[O-])ccc1NC(=O)CCCOc1ccccc1
{#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#}
COc1cc([N+](=O)[O-])ccc1NC(=O)CCCOc1ccccc1
COc1cc([N+](=O)[O-])ccc1NC(=O)CCCOc1ccccc1
N-(2-methoxy-4-nitrophenyl)-4-phenoxybutanamide