Task: Answer the multiple-choice question.
Query: Which compound has a 5.945\% 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=C(Nc1nnc(-c2ccc3c(c2)CCCC3)o1)C1CCCCC1
[b] O=C(COC(=O)[C@@H]1CC(O)CN1S(=O)(=O)c1ccccc1[N+](=O)[O-])Nc1ccc2ccccc2c1
[c] COc1cc(S(=O)(=O)N(C)C)ccc1Br
[d] NC(=O)NOCc1ccccc1
Answer: d. NC(=O)NOCc1ccccc1
{#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#}
NC(=O)NOCc1ccccc1
NC(=O)NOCc1ccccc1
phenylmethoxyurea