Using CCOC(=O)c1cc(Cl)ccn1, CC(=O)CC(=O)c1ccccn1 to produce O=C(CC(=O)c1ccccn1)CC(=O)c1cc(Cl)ccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.