Using CCOC(=O)CCCCCOc1c(C=O)occc1=O, COP(=O)(CC(=O)CCc1ccccc1)OC to produce CCOC(=O)CCCCCOc1c(/C=C/C(=O)CCc2ccccc2)occc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.