Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CN(C(=O)Cc1ccc(-n2cnnn2)cc1)C1CCN(Cc2ccc(C(F)(F)F)nc2)CC1
b. CCc1ccc(S(=O)(=O)n2ccc3ccccc32)cc1NC1CCN(C)CC1
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
N-(2-ethyl-5-indol-1-ylsulfonylphenyl)-1-methylpiperidin-4-amine