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 other words.
Options:
a. C[C@@H](c1ccc(-c2cccc(-c3nnn[nH]3)c2)cc1)[C@H]([NH3+])C(=O)N1CC[C@H](F)C1
b. NC(=O)c1ccc(-c2cccc3nc(-c4cncnc4)nc(NCc4ccccn4)c23)cc1
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-[4-(pyridin-2-ylmethylamino)-2-pyrimidin-5-ylquinazolin-5-yl]benzamide