Using CCn1cc(CO)c(=O)c2ccc(OCc3ccc(OC)cc3)c(OCc3ccc(OC)cc3)c21 to produce CCn1cc(C=O)c(=O)c2ccc(OCc3ccc(OC)cc3)c(OCc3ccc(OC)cc3)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.