Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CNS(=O)(=O)c1cn(CC(=O)NCc2cccc(OC)c2)cc1S(=O)(=O)NC
b: COC(=O)c1ccc(NC(=O)C23CC4CC(C2)CC(n2cnc(Cl)n2)(C4)C3)cc1
c: O=C(CSc1nnc2ccc(-c3ccncc3)nn12)Nc1ccc(F)cc1
d: CCOc1cc2c(cc1OCC)-n1cccc1C(c1ccc(OC)cc1)NC2.Cl
Answer: a, b, 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}