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] CCOCCCn1c(SCC(=O)Nc2cc(OC)ccc2OC)nc2ccccc2c1=O
[b] CC1CC(C)CN(S(=O)(=O)c2ccc3c(c2)oc(=O)n3CC(=O)NCc2cccnc2)C1
Answer: 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}