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) CCc1ccc(N(C(=O)c2csnn2)C(C(=O)NC(C)(C)CC)c2ccccn2)cc1
(b) CCCOC(=O)c1c(NC(=O)/C=C/c2cnn(C)c2C)sc(C(=O)OCC)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}