Task: Answer the multiple-choice question.
Query: Which compound exhibits a 4.909\% 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 COc1ccc2[nH]c(=O)c(-c3noc(-c4ccc(F)cc4)n3)cc2c1
b Cc1ccc(C(=O)Oc2cc(C)nn3cnnc23)cc1
c CC(=O)NC1CCC(C(=O)O)(c2ccccc2)C1
d O=S(=O)(NCCNc1nccc(C(F)(F)F)n1)c1ccccc1
Answer: a. COc1ccc2[nH]c(=O)c(-c3noc(-c4ccc(F)cc4)n3)cc2c1
{#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#}
COc1ccc2[nH]c(=O)c(-c3noc(-c4ccc(F)cc4)n3)cc2c1
COc1ccc2[nH]c(=O)c(-c3noc(-c4ccc(F)cc4)n3)cc2c1
3-[5-(4-fluorophenyl)-1,2,4-oxadiazol-3-yl]-6-methoxy-1H-quinolin-2-one