Using CCCCCCc1cccc(-c2nc(I)c(C(=O)N3CCC(N(CC)CC)C3)n2C)c1 to produce CCCCCCc1cccc(-c2ncc(C(=O)N3CCC(N(CC)CC)C3)n2C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.