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, or c without using any other words.
Options:
a. O=C(C=Cc1ccc2c(c1)CN(S(=O)(=O)c1cccs1)C2)NO
b. CN(C)CCC1=C(Cc2cccnn2)c2ccc(F)cc2C1
c. CCC(C)(C)c1ccc(S(=O)(=O)Nc2ccc([C@]34CNC[C@H]3C4)cc2)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-hydroxy-3-(2-thiophen-2-ylsulfonyl-1,3-dihydroisoindol-5-yl)prop-2-enamide