Problem statement: Answer the multiple choice question.
Query: Which compound has a 13.659\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: CC(=O)N1CCN(c2ccc(NC(=O)c3cccc(Cl)c3)cc2)CC1
b: O=C(CCn1c(=O)oc2ccccc21)Nc1cccc([N+](=O)[O-])c1
c: COc1ccc(-c2cn(-c3ccc(SC(F)F)cc3)c3[n+]2CCC3)cc1OC.[Br-]
d: COCCSc1ccccc1C(=O)Nc1cccnc1
Answer: b. O=C(CCn1c(=O)oc2ccccc21)Nc1cccc([N+](=O)[O-])c1
{#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#}
O=C(CCn1c(=O)oc2ccccc21)Nc1cccc([N+](=O)[O-])c1
O=C(CCn1c(=O)oc2ccccc21)Nc1cccc([N+](=O)[O-])c1
oxido-oxo-[3-[3-(2-oxo-1,3-benzoxazol-3-yl)propanoylamino]phenyl]azanium