Using CCOC(OCC)P(=O)(CCCN)OCC, O=Cc1ccc(Cl)cc1 to produce CCOC(OCC)P(=O)(CCCNCc1ccc(Cl)cc1)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.