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. O=C(O)C[C@@H]1c2ccccc2C[C@H]1NC(=O)c1cc2sc(Cl)c(Cl)c2[nH]1
b. CC12C(=O)OC(=O)C1(C)C1CCC2O1
Answer: a, 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}
2,6-dimethyl-4,10-dioxatricyclo[5.2.1.02,6]decane-3,5-dione