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 other words.
Options:
a. CN1CCN(C(=O)CCC(=O)c2ccc(F)cc2)CC1
b. CCCn1c(=O)n(C)c(=O)c2c(SCc3cc(C(C)=O)ccc3OCC)nc(C3CC3)nc21
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}