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: COc1ccc(-n2c(O)c(C=NCc3ccc4c(c3)OCO4)c(=O)[nH]c2=O)cc1
b: O=C(CCN1C(=O)S/C(=C/c2ccc(Cl)cc2)C1=O)N1CCOCC1
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}