Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CC(C)Nc1cc(C(C)(C)C)nc2c(-c3ccccc3)cnn12
b CCc1ccc(S(=O)(=O)N2CCCC(N3CCN(c4ccc(OC)cc4)CC3)C2)cc1
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}