Using CCOC(=O)C1CN(Cc2ccc(Br)c(F)c2)C1, OB(O)c1cc2cc(Cc3ccccn3)ccc2o1 to produce CCOC(=O)C1CN(Cc2ccc(-c3cc4cc(Cc5ccccn5)ccc4o3)c(F)c2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.