Task: Please answer the multiple choice question.
Question: Which molecules are not 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) N#Cc1ccc(Cn2cncc2CNC2CCN(C(=O)c3cncc(Br)c3)C2=O)cc1
b) CNc1nc(NCC(F)(F)F)c2sc(-c3ccc(C(F)(F)F)cc3)cc2n1
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}
2-N-methyl-4-N-(2,2,2-trifluoroethyl)-6-[4-(trifluoromethyl)phenyl]thieno[3,2-d]pyrimidine-2,4-diamine