Task: Please answer the multiple choice question.
Question: Which molecules are not 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=c1cc(OCc2ccccc2)ccn1-c1ccc2c(cnn2CCN2CCC[C@@H]2CO)c1
b) CCOc1cc2nccc(Oc3cnc(CC(=O)Nc4n[nH]c(CC)c4C)c(OC)c3)c2cc1OC
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}
2-[5-(7-ethoxy-6-methoxyquinolin-4-yl)oxy-3-methoxypyridin-2-yl]-N-(5-ethyl-4-methyl-1H-pyrazol-3-yl)acetamide