Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) O=C(CCNC(=O)c1ccc(Br)cc1)Nc1cccc(S(=O)(=O)N2CCCC2)c1
b) CCN(C(=O)c1cn(C)c(=O)c2cc(OC)c(OC)cc12)c1ccccc1C
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}