Using CCCc1c(C=O)cnn1Cc1ccccc1, CCOC(=O)CP(=O)(OCC)OCC to produce CCCc1c(/C=C/C(=O)OCC)cnn1Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.