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. O=S([O-])(=Nc1nc2ccccc2nc1-[n+]1ccc(CCCc2ccccc2)cc1)c1cccs1
b. CCOc1ccc(-c2c(=O)n(OCc3ccc([N+](=O)[O-])cc3)c3ccccc3[n+]2[O-])cc1
c. O=c1cc(N2CCc3ccccc32)[nH]c(=O)n1Cc1ccc(F)cc1
d. CCc1nc2ccc(N3CCN(C)CC3)cc2nc1CC
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}