Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) O=C(NC1CCN(Cc2ccc3c(c2)OCO3)CC1)C1=CC(=O)c2ccc(Br)cc2C1
b) CCN(CC)CCNC(=O)c1ccc(NC(C)=O)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-(acetylamino)-N-[2-(diethylamino)ethyl]benzamide