Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 4.407\% human ether-à-go-go related gene (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 additional words.
Options:
[a] CC1CC(OC(=O)c2ccccc2)CC(C)N1C.Cl
[b] CCOc1ccccc1NC(=O)Nc1ccncc1
[c] CC(C)C[C@H](NC(=O)N1CCN(c2ccccc2)CC1)C(=O)O
[d] Cc1ccc2c(c1)N(C(=O)CCC(=O)N1CCN(c3ccccn3)CC1)CC(C)O2
Answer: b. CCOc1ccccc1NC(=O)Nc1ccncc1
{#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#}
CCOc1ccccc1NC(=O)Nc1ccncc1
CCOc1ccccc1NC(=O)Nc1ccncc1
1-(2-ethoxyphenyl)-3-pyridin-4-ylurea