Task: Please answer the multiple choice question.
Question: Which molecules are not a 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) COc1c(C)cc(C2(c3cccc(-c4cncnc4)c3)N=C(N)c3c(F)cccc32)nc1C
(b) CO[C@H]1CN(CCn2c(=O)ccc3ccc(C#N)cc32)CC[C@H]1NCc1ccc2c(n1)NC(=O)CO2
(c) Cc1ccc2c(N3CCN(CCc4cccc5c4OCc4c(C(=O)NC(C)C)ncn4-5)CC3)cccc2n1
(d) CCOC(=O)C1=C(N)Oc2ccc(Br)cc2C1C(C#N)C(=O)OCC
Answer: b, d
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 2-amino-6-bromo-4-(1-cyano-2-ethoxy-2-oxoethyl)-4H-chromene-3-carboxylate