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) O=C1CC(NS(=O)(=O)c2ccc([N+](=O)[O-])cc2)CN1c1cccc(F)c1
b) CCC(C)c1ccc(NC(=O)COc2c(F)c(F)c(C(F)(F)F)c(F)c2F)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}