Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] COCCOC1CCN(Cc2cn(Cc3ccccc3)nc2-c2cc3ccccc3o2)CC1
[b] CN1CCN(C(=O)c2ccccc2NC(=O)COc2ccccc2Cl)CC1
[c] CSc1ccc(CNCCCN(C)C)cc1.Cl
Answer: a
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}