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 additional words.
Options:
[a] CCOC(=O)C1=C(CN2CCOCC2)NC(c2nccs2)=NC1c1ccccc1[N+](=O)[O-]
[b] Cn1cc(C=C2C(=O)Nc3cccnc32)c2ccccc21
[c] CCOC(=O)C1=C(CN2CC(C)(C)OC[C@H]2C(=O)O)NC(c2nccs2)=N[C@H]1c1ccc(F)cc1Br
[d] CN(CCN1CC2CN(CCc3ccccc3F)CC(C1)O2)S(=O)(=O)c1ccc(C#N)cc1
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 6-(morpholin-4-ylmethyl)-4-(2-nitrophenyl)-2-(1,3-thiazol-2-yl)-1,4-dihydropyrimidine-5-carboxylate