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 additional words.
Options:
a: CCOc1cc(CN2CCC(Nc3nc4ccc(C(=O)O)cc4o3)CC2)ccc1Cl
b: CC(c1ccccc1Oc1ccc(Cl)c(Cl)c1)N(C)C
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}
2-[[1-[(4-chloro-3-ethoxyphenyl)methyl]piperidin-4-yl]amino]-1,3-benzoxazole-6-carboxylic acid