Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CCOC(=O)C1=C(CN2CCOCC2)NC(c2nncs2)=NC1c1ccc(F)cc1Br
b: N#Cc1nc(CCCNC2(C(N)=O)CCOCC2)cc(-c2cccc(C(F)(F)F)c2)n1
c: CS(=O)(=O)Nc1ccc2nc(CN3CCC(Cc4ccccc4)CC3)[nH]c2c1
d: COc1cc(F)ccc1-c1cncc(CNC(C)C)c1
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-[2-cyano-6-[3-(trifluoromethyl)phenyl]pyrimidin-4-yl]propylamino]oxane-4-carboxamide