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 or b without using any additional words.
Options:
(a) CCOC(=O)C1=C(CN2CCOCC2)NC(c2nccs2)=NC1c1ccc(F)cc1-c1ccccc1
(b) CO[C@@H]1COCC[C@@H]1N[C@@H]1CC[C@@](C(=O)N2CCN(c3nncc(C(F)(F)F)n3)CC2)(C(C)C)C1
Answer: a, 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}
ethyl 4-(4-fluoro-2-phenylphenyl)-6-(morpholin-4-ylmethyl)-2-(1,3-thiazol-2-yl)-1,4-dihydropyrimidine-5-carboxylate