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, b, or c without using any additional words.
Options:
a) CCc1nccn1CCC(=O)N1CCc2c([nH]c3ccccc23)C1CC(C)C
b) O=[N+]([O-])c1ccc2c(c1)nc1n2CCN(CC2CCCO2)C1
c) COc1cccc(CNC(=S)NC2CC2)c1
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}