Using Cc1ccc2nc(Cl)cc(Cl)c2c1, CCOC(=O)CC(=O)OCC to produce CCOC(=O)C(C(=O)OCC)c1cc(Cl)nc2ccc(C)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.