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] CCNC(=O)n1cc(-n2cncn2)c(-c2ccccc2)n1
[b] NC(=O)c1nsc(C(=O)N(CC(=O)NC2CCCC2)Cc2ccc3c(c2)OCO3)c1N
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}