Using COc1cc(C)cc2c1Oc1ccc(C(=O)CC(C)C)c(OC)c1C(=O)OC2 to produce COc1cc(C)cc2c1Oc1ccc(C(=O)CC(C)C)c(O)c1C(=O)OC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.