Task: Please answer the multiple choice question.
Question: Which molecules are not a 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(Nc1ccc(-c2nnc(NCCCN3CCCCC3)o2)cc1)c1ccccc1F
b) CCN1CCC(S(=O)(=O)c2c(Cl)ccc(NC(=O)Nc3cccc(F)c3Cl)c2O)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}
1-[4-chloro-3-(1-ethylpiperidin-4-yl)sulfonyl-2-hydroxyphenyl]-3-(2-chloro-3-fluorophenyl)urea