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, c, or d without using any other words.
Options:
a. CC(C)CCOc1ccc2ncc(F)c(CCC34CCC(NCc5ccc6c(n5)NC(=O)CO6)(CC3)CO4)c2n1
b. Nc1ncc(-c2ccc(C(=O)N3CCNCC3)cc2)cc1-c1ccc(C(F)(F)F)cc1
c. COc1cc2c(cc1OC)[C@@H]1Cc3ccc(OC)c(OC)c3[C@@H](Cc3ccccc3)N1CC2
d. COC(=O)C1=C(CN2CCOC[C@H]2C(=O)O)NC(c2nccs2)=NC1c1ccc(F)cc1Cl
Answer: a, b, c
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-[6-amino-5-[4-(trifluoromethyl)phenyl]pyridin-3-yl]phenyl]-piperazin-1-ylmethanone