Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 less than 10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. Cc1c(=O)n(OCc2cccc(F)c2)c2ccccc2[n+]1[O-]
b. COc1ccc(N2CCN(CCNC(=O)Nc3ccc(Cl)cc3)CC2)cc1
c. CC(Oc1ccc(Br)cc1)C(=O)NC1CCCCCC1
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}