Using C(=C(c1ccccc1)c1ccccc1)C1CCCN(CCc2ccc3c(c2)OCO3)C1 to produce c1ccc(C(CC2CCCN(CCc3ccc4c(c3)OCO4)C2)c2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.