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.) CCN(Cc1ccccc1)C(=O)c1ccc(CS(=O)c2ccccc2C)o1
b.) O=C(/C=C/c1ccccc1[N+](=O)[O-])N1CCOCC1
c.) Cn1c(-c2ccc(F)cc2)cnc1NCc1ccc(F)cc1
d.) O=C(Nc1ccc(N2CCOCC2)c(Cl)c1)c1cccnc1
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}