Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CCCCN(CC)Cc1ccc(CNC(=O)Nc2ccc(OC)cc2OC)o1
b: COc1cc2c(cc1OC)CN(CC(=O)Nc1ccc(Cl)c(S(=O)(=O)N(C)C)c1)CC2
Answer: a, 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}