Using COc1cc(C2=C(c3cn(C4CCNCC4)c4ccccc34)C(=O)NC2=O)c2occc2c1 to produce O=C1NC(=O)C(c2cc(O)cc3ccoc23)=C1c1cn(C2CCNCC2)c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.