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 Cc1ccc(CNC(=O)CSc2nc3[nH]ncc3c(=O)[nH]2)cc1
b O=C(NCCc1ccc(Cl)cc1)C1CCN(S(=O)(=O)N2CCCC2)CC1
c CCOC(=O)c1c(NC(=O)CSc2nnc3c(n2)[nH]c2ccccc23)sc2c1CCN(C)C2
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}