Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 19.632\% 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] CC1CCCC(C)N1C(=O)COC(=O)Cn1cnc2c1c(=O)n(C)c(=O)n2C
[b] CC12CCC(C(=O)NCCCN3CCOCC3)(C(Br)C1=O)C2(C)C
[c] CC1CCN(c2oc(-c3ccccc3F)nc2C#N)CC1
[d] O=C(Nc1ccccc1F)C1CCCN1S(=O)(=O)c1cccc2nsnc12
Answer: a. CC1CCCC(C)N1C(=O)COC(=O)Cn1cnc2c1c(=O)n(C)c(=O)n2C
{#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#}
CC1CCCC(C)N1C(=O)COC(=O)Cn1cnc2c1c(=O)n(C)c(=O)n2C
CC1CCCC(C)N1C(=O)COC(=O)Cn1cnc2c1c(=O)n(C)c(=O)n2C
[2-(2,6-dimethylpiperidin-1-yl)-2-oxoethyl] 2-(1,3-dimethyl-2,6-dioxopurin-7-yl)acetate