Task: Answer the MCQ question.
Query: Which compound exhibits a 13.903\% 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) Cn1c(=O)c2c(nc(CN3CCN(C(c4ccccc4)c4ccccc4)CC3)n2CCCO)n(C)c1=O
b) COC(=O)c1c(C)[nH]c(C=O)c1-c1ccccc1
c) O=C(CN(C(=O)c1csnn1)c1cccc(C(F)(F)F)c1)NCCc1ccccc1
d) COc1ccc(-c2sc(NC(=O)c3ccc(C)cc3)nc2-c2ccc([N+](=O)[O-])cc2)cc1
Answer: b. COC(=O)c1c(C)[nH]c(C=O)c1-c1ccccc1
{#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)c1c(C)[nH]c(C=O)c1-c1ccccc1
COC(=O)c1c(C)[nH]c(C=O)c1-c1ccccc1
methyl 5-formyl-2-methyl-4-phenyl-1H-pyrrole-3-carboxylate