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. N#CC1(c2cccc(C(=O)Nc3cc(Oc4ccc5nc(NC(=O)C6CC6)sc5n4)ccc3F)c2Cl)CC1
b. Cc1cccc(-c2ccc(C#Cc3cccc(C#Cc4ccc(-c5cccc(C)c5)cc4)[n+]3C)cc2)c1
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-methyl-2,6-bis[2-[4-(3-methylphenyl)phenyl]ethynyl]pyridin-1-ium