Using O=C(CCl)Nc1c(I)c(C(=O)NCC(O)CO)c(I)c(C(=O)NCC(O)CO)c1I, C1CO1 to produce O=C(NCC(O)CO)c1c(I)c(C(=O)NCC(O)CO)c(I)c(N(CCO)C(=O)CCl)c1I, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.