Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a CC(NC(=S)NC1CCCCC1)C(c1ccccc1)N1CCOCC1
b Cc1ccnc(SC2CC(=O)N(c3ccc(F)cc3)C2=O)n1
c O=C(Nc1nnc(COc2ccc(Cl)cc2)s1)c1ccc([N+](=O)[O-])cc1
d COC(=O)C1=C(N)c2ccccc2C1(C#N)c1ccccc1
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}