Task: Answer the MCQ question.
Question: Which drug exhibits a 12.471\% 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: S=c1[nH]nc(NCCCN2CCOCC2)s1
b: CCN(CC(=O)NC1CCS(=O)(=O)C1)S(=O)(=O)c1cc([N+](=O)[O-])ccc1C
c: O=c1c(Sc2ccccc2)c(C(F)(F)F)[nH]n1-c1ccccc1
d: C[C@@H](CN1C2=NC[C@H](Cc3ccc(O)cc3)N2C[C@H]1Cc1ccc(O)cc1)NC(=O)CCC1CCCCC1
Answer: d. C[C@@H](CN1C2=NC[C@H](Cc3ccc(O)cc3)N2C[C@H]1Cc1ccc(O)cc1)NC(=O)CCC1CCCCC1
{#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#}
C[C@@H](CN1C2=NC[C@H](Cc3ccc(O)cc3)N2C[C@H]1Cc1ccc(O)cc1)NC(=O)CCC1CCCCC1
C[C@@H](CN1C2=NC[C@H](Cc3ccc(O)cc3)N2C[C@H]1Cc1ccc(O)cc1)NC(=O)CCC1CCCCC1
N-[(2S)-1-[(3S,6R)-3,6-bis[(4-hydroxyphenyl)methyl]-2,3,5,6-tetrahydroimidazo[1,2-a]imidazol-7-yl]propan-2-yl]-3-cyclohexylpropanamide