Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: CCc1nnc(NC(=O)CSc2nc(-c3ccccc3)cc(-c3ccc(OC)cc3)c2C#N)s1
b: CCCC[C@@H]1CN=C(N)N1CCc1cc(C(F)(F)F)cc(C(F)(F)F)c1
c: COC(=O)C1(C)NC(c2ccc(O)cc2)C2C(=O)N(c3ccc(F)cc3)C(=O)C21
Answer: a, b, 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}