Using CCOC(=O)CC(=O)Cl, O=C(OCc1ccccc1)N1CCCN1 to produce CCOC(=O)CC(=O)N1CCCN1C(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.