Using COc1ccc(C(=O)Cl)c(OC)c1, c1cc2ccc3cccc4ccc(c1)c2c34 to produce O=C(c1ccc2ccc3cccc4ccc1c2c34)c1ccc2ccc3cccc4ccc1c2c34, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.