Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCOC(=O)c1sc2nc(/C=C/c3ccc(-n4cnc(C)c4)c(OC)c3)nc(N)c2c1C
(b) Cc1ncn(-c2ccc(C(=O)N[C@H]3[C@H]4CC[C@H]3N(c3ncc(Cl)c5cnoc35)C4)c(Cl)c2)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}
ethyl 4-amino-2-[(E)-2-[3-methoxy-4-(4-methylimidazol-1-yl)phenyl]ethenyl]-5-methylthieno[2,3-d]pyrimidine-6-carboxylate