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. COCCOC(=O)c1c(NC(=O)CSc2ncn[nH]2)sc(C(N)=O)c1C
b. Cc1cccc(N2C(=O)C(O)=C(C(=O)c3cccs3)C2c2ccc(F)cc2)n1
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}