Using CCOC(=O)/C=C/c1c(-c2ccccc2)c2c3ccccc3ccn2c1C(C)C to produce CC(C)c1c(C/C=C/O)c(-c2ccccc2)c2c3ccccc3ccn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.