Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CO[C@H]1COCC[C@H]1N[C@@H]1C[C@H]2CCC[C@@]2(C(=O)N2CCc3ncc(C(F)(F)F)cc3C2)C1
b. COc1ccc2ncc(Cl)c(CCN3CCC(NCc4cc5c(cn4)OCCO5)CC3)c2n1
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-[2-(3-chloro-6-methoxy-1,5-naphthyridin-4-yl)ethyl]-N-(2,3-dihydro-[1,4]dioxino[2,3-c]pyridin-7-ylmethyl)piperidin-4-amine