Using COCCn1c(C=O)c(C)s/c1=N\C(=O)C12CC3CC(CC1C3)C2 to produce COCCn1c(CO)c(C)s/c1=N\C(=O)C12CC3CC(CC1C3)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.