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 additional words.
Options:
a O=C(c1ccc(F)cc1)N1CCN(c2ccc(OC3CCN(C4CCCC4)CC3)cc2)C(=O)C1
b C[C@@H]1CCCN1CCc1ccc(-c2ccc(S(=O)(=O)NCc3ccccc3)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-benzyl-4-[4-[2-[(2R)-2-methylpyrrolidin-1-yl]ethyl]phenyl]benzenesulfonamide