Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CC(c1ccc(-c2ccc(=O)n(C)c2)cc1)C(N)C(=O)N1CCC(F)C1
b: COCCNS(=O)(=O)c1ccc(-c2ccc(CCN3CCCC3C)cc2)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-methoxyethyl)-4-[4-[2-(2-methylpyrrolidin-1-yl)ethyl]phenyl]benzenesulfonamide