Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) CSc1ccc(-c2cccc(-n3cc(C(=O)NC(C)C)c(=O)c4cccnc43)c2)cc1
b.) N[C@@H]1CCCC[C@H]1Nc1cc2nc[nH]c(=O)c2c(Nc2cccc3c(Cl)c[nH]c23)n1
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}
1-[3-(4-methylsulfanylphenyl)phenyl]-4-oxo-N-propan-2-yl-1,8-naphthyridine-3-carboxamide