Task: Please answer the multiple choice question.
Question: Which molecules are not 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 additional words.
Options:
a c1ccc(Cn2ccc3c(OC4CCN(Cc5cscn5)CC4)ncnc32)cc1
b CCOC(=O)C1=C(CN2CCOCC2C(=O)O)NC(c2nccs2)=NC1c1ccc(F)cc1Br
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-[[4-(2-bromo-4-fluorophenyl)-5-ethoxycarbonyl-2-(1,3-thiazol-2-yl)-1,4-dihydropyrimidin-6-yl]methyl]morpholine-3-carboxylic acid