Using COc1ccc(C(=O)C2=C(c3ccccc3)CCc3ccccc32)cc1 to produce COc1ccc(C(=O)c2c(-c3ccccc3)ccc3ccccc23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.