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