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, d, or e without using any additional words.
Options:
a. CNC(=O)NC(=O)C(OC(=O)Cc1cccc(C(F)(F)F)c1)c1ccccc1
b. O=C(C1CCCN1S(=O)(=O)c1cccc2nsnc12)N1CCN(c2ccccc2)CC1
c. Cc1cccc2cc(CN(Cc3nnnn3C3CCCC3)C3CCCCC3)c(=O)[nH]c12
d. O=S(=O)(NCc1cn2ccccc2n1)c1cc(F)ccc1F
e. CCOC(=O)CCc1c(C)c2c(C)nn(-c3ccccc3)c2[nH]c1=O
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}