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 or b without using any other words.
Options:
a.) COc1c(N2CC[C@@H]([C@@H](N)CC#N)C2)c(F)cc2c(=O)c(C(=O)O)cn(C3CC3)c12
b.) Cc1ncoc1-c1nnc(SCCCN2CC3CC3(c3ccc(Cl)c(Cl)c3)C2)n1C
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}
7-[(3R)-3-[(1S)-1-amino-2-cyanoethyl]pyrrolidin-1-yl]-1-cyclopropyl-6-fluoro-8-methoxy-4-oxoquinoline-3-carboxylicacid