Using COc1ccc(C=O)cc1OC, COc1ccc2c(c1)CCCC2=O to produce COc1ccc2c(c1)CCC(=Cc1ccc(OC)c(OC)c1)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.