Using CCOC(=O)c1nccn1CCCc1ccc(OCc2coc(/C=C/c3ccccc3)n2)cc1 to produce O=C(O)c1nccn1CCCc1ccc(OCc2coc(/C=C/c3ccccc3)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.