Task: Answer the multiple-choice question.
Query: Which compound exhibits a 12.404\% human ether-à-go-go related gene (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] COC(=O)c1ccc(CSc2nnnn2C)o1
[b] COc1ccc(-n2c(C)nc3c(cnn3-c3ccc(C)c(C)c3)c2=O)cc1
[c] CC(C)COCc1ccc(O)c2ncccc12
[d] C=CCN(CC=C)C(=O)Cc1ccc(F)cc1
Answer: a. COC(=O)c1ccc(CSc2nnnn2C)o1
{#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)c1ccc(CSc2nnnn2C)o1
COC(=O)c1ccc(CSc2nnnn2C)o1
[C][O][C][=Branch1][C][=O][C][=C][C][=C][Branch1][O][C][S][C][=N][N][=N][N][Ring1][Branch1][C][O][Ring1][=N]
methyl 5-[(1-methyltetrazol-5-yl)sulfanylmethyl]furan-2-carboxylate