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 other words.
Options:
a) Fc1ccc(-n2cc(CNCCc3ccncc3)c(-c3ccccc3Cl)n2)cc1
b) CC1(C)CC(=O)C(=Cc2cn(-c3ccccc3)nc2-c2ccc(Cl)cc2)C(=O)C1
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}