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, b, c, or d without using any other words.
Options:
a O=C(O)c1cnc2ccccc2n1
b CCN(CC(=O)Nc1ccc(NC(C)=O)cc1)C(=O)c1cccc(S(=O)(=O)N2c3ccccc3CC2C)c1
c CCOC(=O)C1=C(O)C(=O)N(c2ccc(S(N)(=O)=O)cc2)C1c1ccc(Cl)cc1
d COc1ccc(C(=O)c2coc3ccc(OC(C)=O)cc23)cc1
Answer: a, b, c, d
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}