Using COc1cccc2c1C(=O)OC2S(=O)(=O)c1ccccc1, CC(=O)C1CCC2C(=O)C=CCC2C1 to produce COC1CCCC2=C(O)C3=C(C(=O)c4ccc(C(C)=O)cc4C3)C(O)C21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.