Task: Answer the multiple-choice question.
Question: Which compound has a 12.498\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) CC(C)(C)NC(=O)CN(C(=O)Cn1nnc(-c2ccc(Cl)cc2)n1)C1CCN(Cc2ccccc2)CC1
(b) CCc1cccc(C)c1N=Cc1c(O)c2ccccc2oc1=O
(c) O=S(=O)(c1cccc(F)c1)N1CCN(C(=S)NCC2CCCO2)CC1
Answer: b. CCc1cccc(C)c1N=Cc1c(O)c2ccccc2oc1=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#}
CCc1cccc(C)c1N=Cc1c(O)c2ccccc2oc1=O
CCc1cccc(C)c1N=Cc1c(O)c2ccccc2oc1=O
3-[(2-ethyl-6-methylphenyl)iminomethyl]-4-hydroxychromen-2-one