Using CC(=O)OCCN(C(=O)COC(C)=O)c1c(I)c(COC(C)=O)c(I)c(C(=O)NCC(COC(C)=O)OC(C)=O)c1I to produce O=C(NCC(O)CO)c1c(I)c(CO)c(I)c(N(CCO)C(=O)CO)c1I, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.