Task: Answer the multiple-choice question.
Query: Which compound exhibits a -1.838\% 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 other words.
Options:
[a] COc1ccc(Nc2nc3cc(C)ccc3cc2C#N)c(OC)c1
[b] Cc1ccc(CCN2C3=NC[C@H](Cc4ccc(O)cc4)N3C[C@@H]2CCCNC(=O)C2CCC2)cc1
[c] Cl.O=C(CN1CCOCC1)Nc1ccc(OC(F)(F)F)cc1
[d] c1ccc(Cn2nnnc2C(c2ccccn2)N2CCOCC2)cc1
Answer: b. Cc1ccc(CCN2C3=NC[C@H](Cc4ccc(O)cc4)N3C[C@@H]2CCCNC(=O)C2CCC2)cc1
{#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#}
Cc1ccc(CCN2C3=NC[C@H](Cc4ccc(O)cc4)N3C[C@@H]2CCCNC(=O)C2CCC2)cc1
Cc1ccc(CCN2C3=NC[C@H](Cc4ccc(O)cc4)N3C[C@@H]2CCCNC(=O)C2CCC2)cc1
N-[3-[(3S,6S)-3-[(4-hydroxyphenyl)methyl]-7-[2-(4-methylphenyl)ethyl]-2,3,5,6-tetrahydroimidazo[1,2-a]imidazol-6-yl]propyl]cyclobutanecarboxamide