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.) O=C(Nc1ccc(-c2nnc(NCCCCN3CCCCC3)o2)cc1)c1ccccc1F
b.) C(CN1CCOCC1)=C1CCCc2c1cnn2-c1ccccc1
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-[2-(1-phenyl-6,7-dihydro-5H-indazol-4-ylidene)ethyl]morpholine