Using CCOC(=O)C1(C(=O)OCC)CC(=O)c2cc3c(cc2C1c1cc(OC)c(OC)c(OC)c1)OCO3 to produce COc1cc([C@@H]2c3cc4c(cc3C(=O)C[C@H]2C(=O)O)OCO4)cc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.