Using CCOC(=O)CP(=O)(OCC)OCC, Cc1oc(-c2ccccc2)nc1COc1ccc(OCc2oc(-c3ccccc3)nc2C=O)cc1 to produce CCOC(=O)/C=C/c1nc(-c2ccccc2)oc1COc1ccc(OCc2nc(-c3ccccc3)oc2C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.