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 other words.
Options:
a. Nc1ccc(-c2ccccc2F)cc1NC(=O)c1ccc(CN2CCC3(CCCN3)CC2)cc1
b. O=C1COc2ccccc2N1CCCN1CCC(n2c(=O)[nH]c3cnccc32)CC1
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}
N-[2-amino-5-(2-fluorophenyl)phenyl]-4-(1,8-diazaspiro[4.5]decan-8-ylmethyl)benzamide