Task: Please answer the multiple choice question.
Question: Which molecules are 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 additional words.
Options:
[a] CNC(=O)c1ncn2c1COc1c(CCN3CCN(c4cccc5nc(C)ccc45)CC3)cccc1-2
[b] Nc1ccccc1NC(=O)c1ccc(N2CCC3(CC2)CNc2ccccc23)nc1
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-methyl-6-[2-[4-(2-methylquinolin-5-yl)piperazin-1-yl]ethyl]-4H-imidazo[5,1-c][1,4]benzoxazine-3-carboxamide