Using CC(=O)C(CC=Cc1cccc(Cl)c1)c1ccccc1, O=Cc1ccc(Cl)cc1 to produce O=C(C=Cc1ccc(Cl)cc1)C(CC=Cc1cccc(Cl)c1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.