Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a.) Cc1cc(=O)oc2c(C)c(OCCCCN3CCC(c4noc5cc(F)ccc45)CC3)ccc12
b.) CCN[C@H](C)Cc1cccc(C(F)(F)F)c1
c.) CS(=O)(=O)c1ccc(-c2noc([C@@H](CC3CC3)[C@H]([NH3+])C(=O)N3CC[C@H](F)C3)n2)c(F)c1
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-[4-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]butoxy]-4,8-dimethylchromen-2-one