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) CNC1CCN(c2ccc(Cl)c(Cl)c2)c2ccccc21
b) COc1ccc2ncc(F)c([C@@H](O)CC[C@@H]3CCN(CCSc4cccs4)C[C@@H]3C(=O)O)c2c1
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-dichlorophenyl)-N-methyl-3,4-dihydro-2H-quinolin-4-amine