Using [I-], O=C(C1=CC=C(c2ccc(O)cc2)NC1)N1CCOCC1 to produce O=C(c1ccc(-c2ccc(O)c(I)c2)nc1)N1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.