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.) CC1CCCN1CCc1ccc(-c2ccc(S(=O)(=O)NCc3ccccc3)cc2)cc1
b.) COc1ccc2cc(-c3cc(-c4cc(Cl)cc(Cl)c4)nn3[C@@H](C)c3ccc(C(=O)NCCC(=O)O)cc3)ccc2c1
Answer: a
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-(2-methylpyrrolidin-1-yl)ethyl]phenyl]benzenesulfonamide