Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CCO[C@H]1OC(C(=O)N2CCOCC2)=C[C@@H](c2coc3ccccc3c2=O)[C@@H]1CCCO
b) O=C(CCc1ccc(F)c(F)c1)NC1CCCN(Cc2ccc(Cl)cc2)C1
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}