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 additional words.
Options:
a. Nc1nc2n(n1)C(c1ccccc1Cl)CC(c1ccc(F)cc1)N2
b. CCN(CC)C1CCN(C(=O)c2ccc(OC3CCN(Cc4ccccn4)CC3)cc2)C1
c. N#C/C(=C\c1ccc(OC(F)F)cc1)C(=O)N1CCCCC1
d. COc1cccc(N/N=C(\C#N)S(=O)(=O)C(C)(C)C)c1
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}