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.) c1ccc(CNc2nc(NCc3ccccc3)c3ccccc3n2)cc1
b.) O[C@H](CCCN1CCC(O)(c2ccc(Cl)cc2)CC1)c1ccc(F)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}
4-(4-chlorophenyl)-1-[(4R)-4-(4-fluorophenyl)-4-hydroxybutyl]piperidin-4-ol