Using Cc1ncc(C=O)cn1, COP(=O)(CC(=O)CCCCc1ccc2c(n1)NCCC2)OC to produce Cc1ncc(C=CC(=O)CCCCc2ccc3c(n2)NCCC3)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.