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, c, or d without using any other words.
Options:
[a] COc1ccc(CN(C)C(=O)c2cnc(OC)cc2C(F)(F)F)c(OC)c1
[b] OC(CNC1Cc2ccccc2C1)COc1ccc(Cl)cc1
[c] O=C(CNC1CCCCC1)Nc1ccc(S(=O)(=O)N2CCCCC2)cc1
[d] CCN(CC)C(=O)Cn1cc(C(=O)C(=O)N2CCN(Cc3ccccc3)CC2)c2ccccc21
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}