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 other words.
Options:
[a] C[C@H](NC(=O)C1CCN(S(=O)(=O)c2ccccc2)CC1)C(=O)NCc1ccccn1
[b] CN1CCC(O)(c2ccc(Cl)cc2)C(C(=O)c2ccc(Cl)cc2)C1
[c] CC1CN(S(=O)(=O)c2ccc(C(=O)N(CCCN(C)C)c3nc4c(Cl)cccc4s3)cc2)CC(C)O1.Cl
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}