Using COC(=O)c1c(C(=O)OC)c(-c2ccc(OC)cc2)c2c3c(ccc2c1OC)OCO3 to produce COc1ccc(-c2c3c(c(OC)c4ccc5c(c24)OCO5)C(=O)OC3=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.