Task: Please answer the multiple choice question.
Question: Which molecules are 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. COc1ccc(/C=C(/C#N)S(=O)(=O)c2ccc(C)cc2)cc1
b. COc1ccc(C(CNC(=O)c2cccc(NS(=O)(=O)c3ccc(C)c(F)c3)c2)N(C)C)cc1
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}