Using CCOC(=O)CC(=O)CCl, O=C1c2ccccc2C(=O)N1CCOCCO to produce CCOC(=O)CC(=O)COCCOCCN1C(=O)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.