Task: Answer the multiple-choice question.
Question: Which drug has a 12.450\% 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 COC(=O)C(C(=O)OC)C(C[N+](=O)[O-])c1ccc(OC)c(OC)c1
b COC(=O)c1c(C)nc2ccccc2c1C(=O)O
c CC(=O)NCCn1c(SCC(=O)NCCC2=CCCCC2)nc2ccccc2c1=O
d O=C(C1CC1)N1CCc2cc(Br)cc(S(=O)(=O)NC3CCCCC3)c21
Answer: b. COC(=O)c1c(C)nc2ccccc2c1C(=O)O
{#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#}
3-methoxycarbonyl-2-methylquinoline-4-carboxylic acid