Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. Cc1ccc(N(C(=O)c2csnn2)C(C(=O)NC2CCCC2)c2cccnc2)cc1
b. COc1ccc(NC(=O)CSc2nc(=O)n(CCN3CCOCC3)c3c2CCCC3)c(OC)c1
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}