Using CCOC(=O)CP(=O)(OCC)OCC, C[C@@H]1C[C@@H](C)C2CN(C)CC1C2=O to produce CCOC(=O)C=C1C2CN(C)CC1[C@H](C)C[C@H]2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.