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 or b without using any additional words.
Options:
a O=C(/C=C/c1ccccc1)N1CCCN(C(=O)/C=C/c2ccccc2)CC1
b CC(=O)c1c(C)[nH]c(C(=O)COC(=O)c2cc(S(=O)(=O)N(C)c3ccccc3)ccc2Cl)c1C
Answer: b
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}