Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] Cc1ccc(C(=O)N/C(=C\c2ccc(-c3ccccc3[N+](=O)[O-])o2)C(=O)NCCCN2CCOCC2)cc1
[b] CCCNc1cc(=O)n(C)c(=O)n1C
Answer: a
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}