Using COC(=O)CC1CCC(c2ccc(-c3ccc(N)cn3)cc2)CC1, OB(O)c1cccc(F)c1 to produce COC(=O)CC1CCC(c2ccc(-c3ccc(Nc4cccc(F)c4)cn3)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.