Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: CCOc1ccc(NS(=O)(=O)c2ccc(C(=O)N3CCCCCC3)cc2)cc1
b: CCN(CC)CCN(C(=O)c1ccc2c(c1)OCCO2)c1nc2c(Cl)cccc2s1.Cl
c: COC(=O)C1=C(c2ccc(S(C)(=O)=O)cc2)C[C@@H]2CC[C@H]1N2C
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}