Task: Answer the multiple-choice question.
Query: Which drug exhibits a 4.723\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CCCCN(CC(=O)NCCOC)C(=O)Cn1nnc2ccccc21
[b] CS(=O)(=O)N1N=C(c2ccc(Cl)cc2)CC1c1cccs1
[c] Cc1cccc(N2CCN(S(=O)(=O)c3ccc4c(c3)n(C)c(=O)c(=O)n4C)CC2C)c1
[d] COc1ccc(OC)c(NC(=O)Nc2ccc(Cl)cc2)c1
Answer: c. Cc1cccc(N2CCN(S(=O)(=O)c3ccc4c(c3)n(C)c(=O)c(=O)n4C)CC2C)c1
{#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#}
1,4-dimethyl-6-[3-methyl-4-(3-methylphenyl)piperazin-1-yl]sulfonylquinoxaline-2,3-dione