Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COCCn1cnc2c1c(=O)n(CC(=O)c1ccc3c(c1)OCCO3)c(=O)n2Cc1ccccc1
[b] CCN(CC)S(=O)(=O)c1ccc(N2CCCCC2)c(NC(=O)/C(C#N)=C/c2ccc(OC)cc2)c1
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}