Using CCOC(=O)c1ccc(N(CC2CC2)c2cc3c4c(c2)CCCC4CCC3)cc1 to produce O=C(O)c1ccc(N(CC2CC2)c2cc3c4c(c2)CCCC4CCC3)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.