Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. Cc1ccc2c(N3CCN(CCc4cccc5c4OCc4c(C(=O)NC6CCC6)ncn4-5)CC3)cccc2n1
b. O=C(CNc1ccnc2ccc(C(F)(F)F)cc12)NC1CN(C2CCC(O)(c3cncs3)CC2)C1
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-cyclobutyl-6-[2-[4-(2-methylquinolin-5-yl)piperazin-1-yl]ethyl]-4H-imidazo[5,1-c][1,4]benzoxazine-3-carboxamide