Using CCOC(=O)/C=C/c1cn(Cc2cc(OCc3ccccc3)cc(OCc3ccccc3)c2)cc1-c1ccccc1 to produce O=C(O)/C=C/c1cn(Cc2cc(OCc3ccccc3)cc(OCc3ccccc3)c2)cc1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.