Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: C[NH+](C)Cc1cn(-c2ccc(F)cc2)c2ccc(Cl)cc12
b: CC[C@@](O)(C(=O)O)c1cc2n(c(=O)c1CO)Cc1cc3ccccc3nc1-2.[H-].[Na+]
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}
sodium;hydride;(2S)-2-[8-(hydroxymethyl)-9-oxidanylidene-11H-indolizino[1,2-b]quinolin-7-yl]-2-oxidanyl-butanoicacid