Using COc1cccc(-c2ccc(Cc3c(C)c(OC)c(OC)c(OC)c3OC)cc2C(=O)O)c1 to produce COC1=C(OC)C(=O)C(Cc2ccc(-c3cccc(OC)c3)c(C(=O)O)c2)=C(C)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.