Using COc1nccc(I)c1-c1nc2c(C)cc(N3CCN(C(=O)OC(C)(C)C)CC3)cc2[nH]1 to produce Cc1cc(N2CCNCC2)cc2[nH]c(-c3c(I)cc[nH]c3=O)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.