Using CCOC(=O)CP(=O)(OCC)OCC, CC(=O)c1ccc2c(c1)C(C)(C)CCC2(C)C to produce CCOC(=O)/C=C(\C)c1ccc2c(c1)C(C)(C)CCC2(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.