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 other words.
Options:
a: COC1COCCC1N[C@@H]1C[C@H]2CN(c3ccccc3)C[C@@]2(C(=O)N2CCc3ncc(C(F)(F)F)cc3C2)C1
b: CN(C)CCNc1nc(-c2ccc(Cl)cc2Cl)c2c(n1)N(c1c(Cl)cccc1Cl)C(=O)NC2
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}
4-(2,4-dichlorophenyl)-8-(2,6-dichlorophenyl)-2-[2-(dimethylamino)ethylamino]-5,6-dihydropyrimido[4,5-d]pyrimidin-7-one