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] CCOC(=O)C1C(c2cc(OC)c(O)c(OC)c2)NC(=S)NC1(O)C(F)(F)F
[b] Cl.Clc1ccc(CN2C3=NCCCN3c3ccccc32)c(Cl)c1
[c] C=CCn1c2ccccc2c2nnc(SCCN3CCOCC3)nc21
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}