Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) CCOC(=O)C1=C(CN2CCOCC2C(=O)OC)NC(c2nccs2)=NC1c1ccc(F)cc1Br
(b) CCN(C(=O)c1ccccc1Oc1ccccc1)C1CCNC1
(c) COc1ccc2ncc(F)c([C@@H](O)CC[C@@H]3CCN(C4CC(c5cc(F)ccc5F)C4)C[C@@H]3C(=O)O)c2c1
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}
N-ethyl-2-phenoxy-N-pyrrolidin-3-ylbenzamide