Using CC(C)CC(=O)C(=O)OCc1ccccc1, CCOC(=O)C(C)P(=O)(OCC)OCC to produce CCOC(=O)C(C)=C(CC(C)C)C(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.