Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CCc1c(C)[nH]c2c1/C(=N/NC(=O)Nc1ccccc1)CCC2
b COC(=O)c1ccc(C2CCC(N3CC(NC(=O)CNC(=O)c4cccc(C(F)(F)F)c4)C3)CC2)cc1
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}
1-[(E)-(3-ethyl-2-methyl-1,5,6,7-tetrahydroindol-4-ylidene)amino]-3-phenylurea