Using CCOC(=O)c1ccc(OCCCCC2Cc3c(c(OC)c(OC)c(OC)c3OC)C2)cc1 to produce CCOC(=O)c1ccc(OCCCCC2CC3=C(C2)C(=O)C(OC)=C(OC)C3=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.