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 other words.
Options:
a) COc1cc(OC)cc(C(=O)Nc2ccc3c(c2)CCCN3C(=O)c2cccs2)c1
b) O=C1Nc2c(c(=O)[nH]c(=O)n2-c2ccccc2F)C(C(F)(F)F)(C(F)(F)F)N1
Answer: a, 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}