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. Cc1ncoc1-c1nnc(SCCCN2CCC3(CCc4c(Br)cccc43)C2)n1C
b. CN1CCN(Cc2ccc3c(c2)Cc2c-3n[nH]c2-c2csc(C#CCOc3ccccc3)c2)CC1=O
Answer: a
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}
5-[5-[3-(7-bromospiro[1,2-dihydroindene-3,3'-pyrrolidine]-1'-yl)propylsulfanyl]-4-methyl-1,2,4-triazol-3-yl]-4-methyl-1,3-oxazole