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 other words.
Options:
a: CCCCc1nc(Cl)c(CO)n1Cc1ccc(-c2ccccc2-c2nnn[nH]2)cc1
b: COc1cc(-c2cn(CC(=O)N(Cc3ccccc3)Cc3ccccc3)nn2)ccc1-n1cnc(C)c1
c: c1ccc(C(Cc2ccccc2OC2CC2)N2CCNCC2)cc1
d: CC[C@@H](C)[C@H](C(=O)O)N1C[C@H](CN2CCC(c3cc(Cc4ccc(C#N)cc4)nn3CC)CC2)[C@@H](c2cccc(F)c2)C1
Answer: a, b, c
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}
1-[2-(2-cyclopropyloxyphenyl)-1-phenylethyl]piperazine