Using CC(C)NCCCn1c(Sc2cc3c(cc2I)OCO3)nc2c(N)ncnc21, OB(O)c1ccoc1 to produce CC(C)NCCCn1c(Sc2cc3c(cc2-c2ccoc2)OCO3)nc2c(N)ncnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.