Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CC#CCn1c(N2CCCNCC2)c(C#N)c2c1c(=O)n(Cc1ncc3ccccc3c1C#N)c(=O)n2C
b) NC(=O)N1CCN(Cc2ccc3c(c2)Cc2c(-c4csc(C#CCOc5ccccc5)c4)n[nH]c2-3)CC1
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-[[3-[5-(3-phenoxyprop-1-ynyl)thiophen-3-yl]-1,4-dihydroindeno[1,2-c]pyrazol-6-yl]methyl]piperazine-1-carboxamide