Using CCOC(=O)C1=C(c2ccccc2)N(C)C(CC)=C(C(=O)SCC)C1CC to produce CCOC(=O)C1=C(C2CCCC2)N(C)C(CC)=C(C(=O)SCC)C1CC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.