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 Cc1ccccc1-c1nc(CN2CCCC(C(=O)NCc3cccnc3)C2)c(C)o1
b CCC(=O)OCCn1c(=O)c2cc3c(=O)n(CCOC(=O)CC)c(=O)c3cc2c1=O
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}