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 additional words.
Options:
a) COc1nc2c(CCC34CCC(NCc5ccc6c(n5)NC(=O)CO6)(CC3)CO4)ccnc2cc1F
b) CC(=O)N[C@H]1CC(C)(C)Oc2nc(-c3ccc(Cl)cc3Cl)c(-c3ccc(Cl)cc3)cc21
c) CCOC(=O)C1=C(CN2CCOC[C@H]2C(=O)O)NC(c2nccs2)=NC1c1ccc(F)cc1Br
d) CCCCc1oc2ccccc2c1C(=O)c1cc(I)c(OCC(=O)OCC)c(I)c1
Answer: c, 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-[4-(2-butyl-1-benzofuran-3-carbonyl)-2,6-diiodophenoxy]acetate