Using CCOC(=O)c1cc(CN2CCc3cc(Br)ccc3C2)c2ccccn2c1=O, OB(O)c1ccccc1 to produce O=C(O)c1cc(CN2CCc3cc(-c4ccccc4)ccc3C2)c2ccccn2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.