Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CCc1ccc(NC(=O)C[n+]2cc(-c3ccc(C)cc3)n3c2CCC3)cc1.[Cl-]
b) O=C(C1CCCO1)N1CCN(C(=S)Nc2cccc(F)c2)CC1
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}