Using BrCc1ccccc1, CCOP(=O)(Cc1ccc(C(=O)Nc2ccc(Cl)cc2)cc1)OCC to produce CCOP(=O)(Cc1ccc(C(=O)N(Cc2ccccc2)c2ccc(Cl)cc2)cc1)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.