Task: Answer the multiple choice question.
Query: Which drug exhibits a 2.110\% 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 CCOc1ccccc1N1CCN(C(=O)c2ccncc2)CC1
b CCOc1ccc(-n2nc(C(=O)NCCOC)c3ccccc3c2=O)cc1
c COC(=O)c1cc(C(=O)Nc2nnc(CC(C)C)s2)cc([N+](=O)[O-])c1
d Cc1c2c(nc3c(C(=O)NC4CCCC4)cnn13)CCCC2
Answer: c. COC(=O)c1cc(C(=O)Nc2nnc(CC(C)C)s2)cc([N+](=O)[O-])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#}
COC(=O)c1cc(C(=O)Nc2nnc(CC(C)C)s2)cc([N+](=O)[O-])c1
COC(=O)c1cc(C(=O)Nc2nnc(CC(C)C)s2)cc([N+](=O)[O-])c1
methyl 3-[[5-(2-methylpropyl)-1,3,4-thiadiazol-2-yl]carbamoyl]-5-nitrobenzoate