Using CCOC(=O)C=Cc1ccc(Cc2c(C)c(OC)c(OC)c(OC)c2OC)cc1 to produce COc1c(C)c(Cc2ccc(C=CC(=O)O)cc2)c(OC)c(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.