Task: Please answer the multiple choice question.
Question: Which molecules are not 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 additional words.
Options:
a. O=S(=O)(c1ccc(C=Cc2ccc(F)cc2F)nc1)c1ccccc1F
b. CC(C)S(=O)(=O)NC1COCC1c1ccc(-c2ccsc2)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-[4-(4-thiophen-3-ylphenyl)oxolan-3-yl]propane-2-sulfonamide