Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 6.500\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. C=C1CCN([C@H](C(=O)NCc2ccccc2)C(C)C)S(=O)(=O)c2ccccc21
b. O=c1oc(-c2ccccc2F)nc2c1cnn2-c1ccccc1
c. C=CCSc1[nH]c(=O)cc(C)c1C(N)=O
d. Cn1c(CCN2CCCCC2)nc2cc(NC(=O)COc3ccc([N+](=O)[O-])cc3)ccc21
e. COC(=O)c1c(C)nn(-c2ccc(OC(F)(F)F)cc2)c1-c1snnc1C
Answer: b. O=c1oc(-c2ccccc2F)nc2c1cnn2-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#}
O=c1oc(-c2ccccc2F)nc2c1cnn2-c1ccccc1
O=c1oc(-c2ccccc2F)nc2c1cnn2-c1ccccc1
6-(2-fluorophenyl)-1-phenylpyrazolo[3,4-d][1,3]oxazin-4-one