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 additional words.
Options:
[a] O=C(c1ccc(S(=O)(=O)N2CCOCC2)cc1)N(c1ccccn1)C1CCCCC1
[b] CCOc1ccc(S(=O)(=O)N(C)CC(=O)NCc2ccc3c(c2)OCO3)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}