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. Cc1cccc(N2CCN(C(=O)c3ccc4c(c3)CCN4S(C)(=O)=O)CC2)c1C
b. Cc1nn(C(=O)c2c(-c3ccccc3)noc2C)c(C)c1N=Nc1cc(C(F)(F)F)cc(C(F)(F)F)c1
c. CCOc1ccccc1CN1CCN(Cc2ccc3cccc(OC)c3n2)CC1CCO
Answer: c
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}