Using CCOC(=O)c1ccc[nH]1, O=C(Cl)Cc1ccc(Cl)cc1 to produce CCOC(=O)c1cc(C(=O)Cc2ccc(Cl)cc2)c[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.