Using CC=O, CCC(CC)Nc1cc(C)nc(Oc2c(C)cc(Br)cc2C)c1C to produce CCC(CC)Nc1cc(C)nc(Oc2c(C)cc(C(C)O)cc2C)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.