Problem statement: Answer the multiple-choice question.
Question: Which compound has a 6.464\% 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(CCN1C(=O)[C@@H]2Cc3ccccc3CN2C1=O)N[C@H](Cc1ccccc1)C(=O)O
b C#CCn1c(=NC(=O)c2ccc(S(=O)(=O)N3CCc4ccccc4C3)cc2)sc2cc(S(N)(=O)=O)ccc21
c O=C1/C(=C/c2ccc(O)c([N+](=O)[O-])c2)SC(=S)N1Cc1ccccc1
d CC(C)(C)c1nnc(NS(=O)(=O)c2ccc([N+](=O)[O-])cc2)s1
Answer: a. O=C(CCN1C(=O)[C@@H]2Cc3ccccc3CN2C1=O)N[C@H](Cc1ccccc1)C(=O)O
{#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)[C@@H]2Cc3ccccc3CN2C1=O)N[C@H](Cc1ccccc1)C(=O)O
O=C(CCN1C(=O)[C@@H]2Cc3ccccc3CN2C1=O)N[C@H](Cc1ccccc1)C(=O)O
(2R)-2-[3-[(10aS)-1,3-dioxo-10,10a-dihydro-5H-imidazo[1,5-b]isoquinolin-2-yl]propanoylamino]-3-phenylpropanoic acid